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An Overview of the Korean War
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An Overview of the Korean War
by Michael Barnes
1. Post-WWII
For centuries, Korea had been within the Chinese sphere of influence. In the 1870s, Japanese pressure began to force Korea away from China and toward more cooperation with Japan. In 1910 Japan annexed Korea outright, colonized it, and suppressed Korean culture. When Japan invaded China in 1937 they forced hundreds of thousands of Korean civilians to labor for the Japanese war machine throughout the empire. Meanwhile, the peninsula was stripped of much of its food and natural resources, forcing additional Korean immigration to Japan. As a result, about 25% of the casualties from the atomic bombings of Hiroshima and Nagasaki were Koreans. Japanese dominion over Korea ended with their acceptance of the Potsdam Declaration on August 15, 1945.
Japanese in Korea, 1904
Japanese troops in Korea, 1904
 
Allied Leaders at Potsdam
Allied Leaders at Potsdam
Map of Korea
Map of Korea
The Japanese surrender and withdrawal from Korea created a power vacuum there. Weeks earlier at Potsdam President Truman had gotten Soviet leader Joseph Stalin to commit to declaring war on Japan, including attacks against the Japanese in Korea.  With the Japanese withdrawing, nothing stood in the way of the Soviets taking over the entire peninsula. The Americans, trying to limit Russian gains, hastily proposed a division of Korea between Soviet forces in the north, and US forces in the south, with the 38th Parallel as the dividing line, picked by some junior officers who thought it looked roughly in the middle, where the peninsula narrowed.  The US was lucky that Stalin agreed to the division.  Even as Russian troops stopped at this artificial dividing line, American units were still a month away from arriving in Korea.
The US was totally unprepared for administering a free South Korea.  The American in charge, Lt. General John R. Hodge, instantly disliked the Korean people.  After accepting the Japanese surrender, Hodge put key Japanese colonial administrators back in charge, much to the dismay of the Koreans.  When Hodge finally turned to Koreans for help in administering their own country, it was to those who had collaborated with the Japanese. Hodge refused to permit democratic elections, and at one point, martial law was declared.
 
2. North and South Korea
The US eventually created a government, The Republic of Korea (South Korea), headed by Syngman Rhee, a nationalist who had fled the Japanese occupation decades earlier and had lived in exile mostly in the United States.  He spoke English well, held 3 degrees from American universities, was anti-Communist, and he had not collaborated with the Japanese.  But Rhee was a dictator who frequently arrested anyone who disagreed with him.  Perhaps most problematic, Rhee frequently voiced his desire to invade the North.

Russian Troops in Korea
Russian Troops in Korea
Syngman Rhee
Syngman Rhee
Kim Il-Sung, 1950
Kim Il-Sung, 1950
Meanwhile, the Soviets oversaw the creation of the communist Democratic People's Republic of Korea (North Korea), led by Kim Il-Sung, a former anti-Japanese guerilla fighter; a communist who had fought alongside the Russians at Stalingrad. The North Korean leader was even worse than his South Korean counterpart; Sung often had his political enemies executed.

By the end of 1948, the Korean peninsula was divided into two different nations, each with a leader who boasted about conquering the other, each supported by their ideological counterparts. The Soviets withdrew from North Korea, but US withdrawal from South Korea was repeatedly delayed to allow time for Rhee to improve South Korea's security situation. By 1949, the US was disengaging
from Korea in every way. On January 12, Undersecretary of State Dean Acheson told the press that South Korea was not a vital part of the US defense perimeter in Asia. By June only 500 American military advisors remained. Congress had become nervous that if too much aid were given to South Korea, Rhee would use it to invade the North. They sent light arms and armor, but withheld tanks and aircraft. In January 1950, when aid to South Korea was up for renewal the US House defeated the bill, thereby cutting off all aid to South Korea. The fate of Korean aid had become intertwined with the desire by many Americans to get on with the business of their own lives. Having survived both the Great Depression and World War II, it was time to go to college on the G.I. bill, get a job, buy a home in the suburbs, and start families. Consequently, America’s mighty war machine was being quickly disassembled. By 1948, the US army was down to 677,000 men. By May 1949 it was at 630,000 and shrinking. By June 1950, with the military budget cut to the bone (supported by both Republicans and Democrats), there were only 591,000 men in the army. Additionally, its most-experienced troops were gone, and its equipment had been allowed to deteriorate. In short, the US was in no position to fight a war that no one in America wanted anyway.

These actions by the United States were a signal to Kim Il-Sung that he could unite the Korean peninsula without American intervention. Unlike their Southern counterparts, the North Korean military was disciplined, well-trained, and well-armed. It was made up of ten divisions, some 135,000 men. Many of its officers had fought alongside Mao Zedong’s Communist Chinese forces during the Chinese Civil War. Most significantly, the Soviets had left behind 150 T-34 tanks, a model that had proved very effective against German armor in World War II. On June 25, 1950, after probing border forces for several weeks, Kim Il-Sung launched a full-scaled invasion across the 38th Parallel.
 
3. Phase 1: North Korean Attack & UN Intervention (6/50-9/50)
Outmatched in every way, the South Korean army broke ranks and ran. Within a day, North Korean forces reached the outskirts of Seoul, the South Korean capital. In the ensuing panic, a key strategic bridge was blown up with the South Korean army on the wrong side of it, and while 500 people were still crossing it. Seoul was taken on the 28th.

Even as the United Nations Security Council unanimously condemned the invasion, the Truman administration wrestled with what to do about it. Politically, Truman understood that to do nothing would open him up to attack from the conservative right. The President assumed that the Soviets were
Newspaper Headlines on Korea
Newspaper Headlines on Korea
behind the attack, and seems to have believed that WWIII had begun. But he made up his mind that America would take a stand. Korea may have been of little to no strategic importance to the United States, but it had enormous psychological value. Communists had crossed an internationally recognized line. They would have to be “contained,” but Truman wasn’t sure how.

Truman turned to the United Nations, where it just so happened that the Soviet Union was boycotting Security Council proceedings in protest of what they felt was UN preference for the Chiang Kai-Shek’s government on Taiwan (the loser in China’s civil war) over the mainland communist Chinese government. Without fear of a veto from the absent Soviets, the Security Council approved Resolution
UN Security Council Vote on Resolution 83
UN Security Council Vote on Resolution 83
83, recommending military assistance to South Korea. Shortly thereafter, the UN put these forces under American command.
sound UN Ambassador Warren Austin to Truman, 6/27/50
 
The American commander who would lead the charge to contain communism was none other than America’s most popular military figure, General Douglas MacArthur. 70 years old in 1950, MacArthur was one of the heroes of WWII. Although he had underestimated the Japanese military during the early stages of WWII, he subsequently displayed fine strategic skill and was especially good at predicting Japanese strategy. He was a strong proponent of air power, preferring to pulverize fixed Japanese positions from the air rather than risking direct frontal assaults. He had been on-hand to accept the official Japanese surrender, and then had been in charge of US-occupied Japan. But MacArthur was also a supreme egotist who had spent so much time in the Pacific that he had come to see himself as both invincible and above any other authority. Truman had twice summoned him home to receive America’s thanks for his
MacArthur in Korea
MacArthur in Korea
Truman address on Korea (7/19/50)
soundTruman address on Korea (7/19/50)
role in the Pacific victory, but twice MacArthur had turned him down. Truman rightly suspected that MacArthur was planning a triumphant return just in time to challenge the Democrats in the 1952 presidential election. To that end, MacArthur had quietly made strong ties with conservative Republicans in Washington. In the coming war, MacArthur would achieve his greatest success, and because of his flaws, his greatest failures as well. His ego would ultimately prove his undoing.

Right off the bat, MacArthur exceeded his authority by bombing North Korean airfields.  But this did not stop the North Korean advance, and when MacArthur returned to Tokyo after inspecting the situation, he reported that the only way to stop them was to introduce American troops.  Truman authorized the divisions MacArthur asked for, without seeking congressional approval, but he was wary of things escalating.  He tried to downplay his actions.  At a press conference on the 29th, he insisted that the United States was not at war. A reporter then asked, “Mr. President, would it be correct, against your explanation, to call this a police action under the United Nations? “  Truman replied, “Yes. That is exactly what it amounts to.”

Very few of the American troops sent to Korea were combat ready.  Only one in six had even seen combat. The American G.I. had grown soft while serving in Japan as an occupation force.  One of the top American generals in Korea later stated they had become “fat and happy in occupation billets, complete with Japanese girlfriends, plenty of beer and servants to shine their boots.”

Of the four American divisions stationed in Japan, the 24th Infantry Division was the least combat-ready. Yet they were extremely confident as they rolled into the theater of operations that the North Koreans would run away at the sight of American troops.  This fallacy was based on judging the enemy through the lens of racism, the dangers of which the American should have learned from WWII.  The North Koreans were good.  They were disciplined, they used camouflage effectively, and they had no trouble leaving the main roads and hiking overland.  They used battle tactics learned from the Chinese communists, which included infiltrating behind the American lines with small units that made the Americans think they were surrounded.  They attacked at night and engaged in close combat in order to reduce the effectiveness of American air power.  On the morning of July 5, 540 men from the 24th Infantry Division moved north and took up a position north of Osan, where they soon encountered North Korean forces for the first time.  The Americans attacked North Korean tanks, but their small mortars and recoilless rifles proved useless against the T-34. Some brave bazooka men closed to within 30 yards and fired, but that weapon too was ineffective.  Only with a howitzer did they manage to knock out a few of the tanks, but the rest plowed right through them.  When the order to retreat was given, many of the Americans threw aside their weapons and ran away.  It took five days to round them all up.  Of the 540-man task force, 180 were killed, wounded, or taken prisoner, all of whom had to be left behind. An American colonel later wrote about the pathetic condition of his fellow troops:
They’d spent a lot of time listening to lectures on the differences between communism and Americanism and not enough time crawling on their bellies on maneuvers with live ammunition singing over them. They’d been nursed and coddled, told to drive safely, to buy War Bonds, to give to the Red Cross, to avoid VD, to write home to mother—when someone should have been telling them how to clear a machine gun when it jams.
Now these troops were in a desperate fight for survival, in a place most Americans had never heard of and didn’t want to hear about, in brutally hot weather with no water.  Many of these soldiers became sick from drinking water directly out of muddy holes and paddies without first purifying it.  By the end of the first week two divisions had been badly mauled, suffering some 3,000 casualties.  General MacArthur drew up a massive wish-list, most of which was approved, and some emergency equipment was rushed to Korea to help stop the North Korean tanks.  But each time the 24th regrouped and took a stand, they were hammered again.  By the end of the 3rd week they were at half strength.  After a fierce three-day struggle, the Americans withdrew from Taejon. Although they had failed to stop the North Korean advance, they had delayed it long enough for the other American
Murrow in Korea
Edward R. Murrow in Korea
soundEdward R. Murrow report on the Situtation in Korea, 8/1/50

soundEdward R. Murrow with the 1st Cavalry in Korea, 8/8/50


soundEdward R. Murrow on Korea as a Testing Ground for Ideas, 9/6/50

divisions to establish a defensive perimeter around Pusan further south.   It was here the Americans would make their last stand.  But even as the Battle of Pusan Perimeter was about to being, there were signs that things were turning.  Fresh troops and better equipment continued to arrive.  The Americans cracked the relatively simple North Korean code, providing advanced notice of the enemy’s battle plans.  And by then the North Korean supply line was stretched thin.

Map of Phase 1: June 25-September 15, 1950
Map of Phase 1: June 25-September 15, 1950
The Battle of Pusan Perimeter began in August and ended on September 15, during which the Americans withstood numerous North Korean attacks. The United States Air Force interrupted enemy movements by destroying 32 bridges and bombing convoys, and they hammered anything that might be of material value to the North Koreans. Meanwhile, United Nations troops and material continued to pour in. By late August, the Americans in the Pusan Perimeter had some 500 tanks, while the North Korean tank force had been reduced from 150 to 40. By early September 1950, South Korean and UN Command forces outnumbered the North Koreans by 180,000 to 100,000. As MacArthur planned his next move, a special representative of President Truman’s met with him in Tokyo to make sure he understood the administration’s intent to not widen the war by provoking Chinese intervention in Korea or possibly a Chinese takeover of Formosa. MacArthur responded that if the Chinese were to do such a thing, he would "deliver such a crushing defeat it would be one of the decisive battles of the world—a disaster so great it
would rock Asia, and perhaps turn back Communism." He went on to say that he prayed nightly that the Chinese would try something.
4. Phase 2: Escalation & Counterattack (9/50-10/50)
From the time that MacArthur had visited Korea, he began to conceive of a bold plan.  He would undertake an amphibious landing behind North Korean lines, trap them, and then destroy them. Most military planners disagreed with him.  The landing site he had chosen, Inchon, had no natural beaches.  One sunken ship could block the whole harbor.  The tides were difficult, and there was evidence the harbor had been mined.  But MacArthur swayed them with a dramatic speech, and he got his way.

The landings at Inchon took place on September 15, 1950. Some 13,000 Marines went ashore and met little resistance. Only 21 Americans were killed,
US Forces Land at Inchon
US Forces Land at Inchon
One day after the initial landings at Inchon, September 16
One day after the initial landings at Inchon, September 16
Map of Phase 2: September 15-October 23, 1950
Map of Phase 2: September 15-October 23, 1950
and the North Korean forces there were routed. The Americans moved quickly to re-capture Seoul, and to trap the North Korean army before it could retreat from Pusan, a hundred miles away, and get back across the 38th Parallel. This was MacArthur’s finest hour. Practically overnight he had turned an inglorious American defeat into a stunning victory. The impact it had on his ego and power was incalculable. Whereas before he was thought by many political and military leaders as “untouchable,” now he was practically a god. But even though the Americans moved quickly, the North Koreans, now heading north at breakneck speed, were getting away. Some 40,000 had re-crossed the 38th Parallel.

On October 1, 1950, South Korean and UN forces pushed past the 38th parallel into North Korea in hot pursuit.  Although a few experts in the State Department warned about aggravating China to the north, no one really stopped to listen.  Given the situation, even President Truman was reluctant to halt the operation for fear of providing further ammunition for Republicans to label him soft on Communism.  MacArthur would be allowed to “finish the job” of Korean unification.  The Chinese immediately signaled their disapproval.  As UN forces continued north, the Chinese became increasingly agitated.  Chou Enlai, the Chinese Foreign Minister, relayed a message to Washington through the Indian ambassador, that if United States or UN forces, crossed the 38th Parallel, "China
would send troops to the Korean frontier to defend North Korea." The British especially expressed reservations about UN troop movements, but MacArthur dismissed them as appeasers.  American forces crossed the 38th Parallel on October 7.  Unbeknownst to the US, Mao Zedong then ordered his forces to start heading for the Korean border.
At this point, President Truman became nervous.  He did not like the rumbling coming out of China, and he worried that UN supply lines were being stretched too thin.  Of additional concern was the coming winter.  He hastily arranged a meeting with MacArthur on Wake Island for October 15. Although the two men had never met, Truman did not have a high opinion of MacArthur, whom he had once described in a memo as “Mr. Prima Donna.”  MacArthur, a conservative Republican, didn’t have a very high opinion of his commander-in-chief, a liberal Democrat.  But their meeting went reasonably well.  When Truman expressed concern about China intervening in the war, MacArthur assured him that the war was basically over.  He even thought it possible that the Eighth Army could be home by Christmas.  When Truman pressed a little harder on China, MacArthur dismissed the idea and
Truman and MacArthur at Wake Island
Truman and MacArthur at Wake Island
claimed that if the Chinese crossed into North Korea and headed for Pyongyang, the North Korean capital, “there would be the greatest slaughter.”
5. Phase 3: Chinese Intervention (10/50-12/50)
The Chinese army wasn’t as well equipped as UN forces, but they marched 286 miles on foot in 18 days to get to the Yalu River. They carried minimal equipment, and about a week’s supply of food—some rice, a little meat and fish—about ten pounds in all. They were trained not to move when aircraft were overhead, and they were extremely adept at camouflage. They knew much more about the American soldier than he knew about them, but they didn’t know enough specifics about the troops MacArthur had under his command—how well he’d
Chinese troops cross the Yalu River
Chinese troops cross the Yalu River
Map of the early part of Phase 3: October 24-November 24, 1950
Map of the early part of Phase 3: October 24-November 24, 1950
stand up in a fight, their weapons tactics, how they’d behave in the face of extreme adversity. As a way of gathering intelligence, the Chinese planned a series of limited attacks designed to reveal the enemy’s strengths and weaknesses. That information would then factor into the all-out attack that would come later. Unaware of Chinese tactics or even their existence, the Americans headed directly for them. Though MacArthur had been strictly forbidden to stay away from the Yalu, he disobeyed. Once back at Tokyo, he ordered his two main forces to continue north to the Chinese border. The Joint Chiefs heard about this through an army backchannel, and told MacArthur that he had violated their instructions. MacArthur replied that he had military reasons for doing so.

South Korean troops first encountered small bands of Chinese on October 25 and took some prisoners.  Shortly thereafter they were hit hard at Pukchin.  The South Korean forces suffered heavy losses, but more prisoners were taken.  Clearly, these were not North Korean soldiers. Their uniforms were different, and they spoke Chinese with a southern accent.  Despite this evidence, MacArthur still refused to accept they had encountered Chinese.  On the 29th, Fifth Regiment forces of the 24th Division under the command of John Throckmorton encountered stiff resistance about 40 miles from the Yalu.  They took 88 prisoners, 2 of whom where Chinese.  Throckmorton felt something ominous was in the air, and later said, “By that time I could feel the hair raising on the back of my neck.”  On October 30, the commander of X Corps interrogated 16 Chinese prisoners in South Korean custody.  He then sent a message to MacArthur’s headquarters warning that large units of Chinese infantry were in Korea, but nothing came of it.

Then on November 1, while maneuvering to destroy South Korean forces just north of Unsan, the Chinese accidentally encountered the US 8th Cavalry Regiment.   UN intelligence had failed to detect them.  The Chinese immediately launched a major three-pronged assault—from the north, northwest, and west—and overran the defensive flanks.  The South Korean 6th Infantry Division on the right flank was quickly destroyed. Wave after wave of Chinese were sent against the Americans. When two of the three American battalions began to run out of ammunition, they retreated south.  But Chinese forces had infiltrated behind UN lines and blocked the roads. At 2:30 a.m. they ambushed the retreating UN forces.  The Americans suffered heavy losses and only managed to escape by abandoning their vehicles and heavy weapons, forming small groups, and slipping through the Chinese lines on foot.  Survivors reached the UN line on November 2.  Meanwhile, another American battalion had been cut off in the north.  At 3:00 a.m. Chinese commandos disguised as South Koreans launched a surprise attack on the mostly sleeping soldiers.  The US 5th Cavalry Regiment tried several times to rescue them, but were driven back with heavy casualties.  The trapped battalion endured several days of constant combat, and finally managed to break out of the trap on November 4.  Only 200 survivors made it back to the UN line.  It was a devastating defeat for UN forces.

Amazingly, MacArthur (still commanding the overall action from Tokyo), still refused to accept that they had been attacked by Chinese rather than North Korean forces, that the war had fundamentally changed. Reality sunk in slowly.  On November 1 he said that frankly he didn't know whether his troops had encountered Chinese troops, and if they had, whether they represented the Chinese government.  On the 2nd, he admitted there were Chinese in Korea, and that they posed "a serious proximate threat."  On the 4th, he concluded that the Chinese were in country in size and strength large enough "to threaten the ultimate destruction of my command." It was quite a turnaround. He then claimed the battle a UN victory, and urged the international community to censure the Chinese government.  The next day, November 6, he announced that his troops would continue pushing north toward the Yalu River in order to probe the enemy's strength. But when MacArthur received reports that more Chinese troops were crossing bridges over the Yalu, he ordered them bombed—a direct violation of his orders to stay clear of the Chinese border. He sent a copy of the order to Washington and went to bed.  Hours later, he was awakened by an urgent message from Washington directing him to rescind the order. MacArthur, enraged, drafted a reply in which he threatened to resign, but he was persuaded to rethink the message.  Instead he prophesized doom if his orders weren't carried out:
Every hour that this is postponed will be paid for dearly in American and other United Nations blood...I trust that the matter be immediately brought to the attention of the President as I believe your instructions may well result in a calamity of major proportion for which I cannot accept the responsibility.
MacArthur's messages were so contradictory that the Joint Chiefs of Staff were shocked. First he had said there were no Chinese in Korea at all, and now suddenly total disaster was at hand.  President Truman, when told of the disagreement about bombing the bridges, gave MacArthur the go-ahead, but now the general wanted permission to pursue Chinese aircraft across the border.  MacArthur's superiors liked the idea, but the other UN partners unanimously said no, so Truman wouldn’t permit it.  MacArthur was furious.

Meanwhile, having completed their initial, intelligence-gathering offensives, the Chinese disappeared into the mountains to study the results and see what lessons they could glean. Other Chinese forces continued to cross the Yalu, but because of their superb organization and camouflage, continued to be undetected.

MacArthur mistakenly assumed the Chinese had withdrawn from the battlefield, that American air power had made it impossible for the Chinese to resupply their forces in Korea.  He did not send out deep patrols to confirm his assumptions. On the 17th, he told the US ambassador to Korea that there were only 30,000 Chinese in North Korea.  In fact, there were about 300,000.  MacArthur ordered his forces to prepare for a major operation, which, based on remarks he made within earshot of the press, became known as the “Home-by-Christmas” offensive.  “Asiatics respect aggressive leadership,” he explained.  This brief period in November, Secretary of State Dean Acheson later reflected in his memoir, represented the last possible moment to avoid the total disaster that seemed just beyond the horizon.  The Chinese had clearly indicated their intentions.  But, Acheson wrote, “We sat around like paralyzed rabbits while MacArthur carried out this nightmare.”  On November 24, MacArthur flew to Korea and inspected the front lines.  When he returned to Tokyo, he issued a communiqué that not only tipped off the Chinese that a major offensive was coming, but that the Americans had totally underestimated Chinese strength.
The "Home-by-Christmas" UN Offensive was launched on November 24, 1950.  MacArthur divided his forces, sending the US Eighth Army under the command of General Walton H. Walker to advance in the northwest, while the US X Corps under the command of Major General Edward Almond attacked along the Korean east coast. South Korean forces advanced along the center.  At first things went fairly well.  Despite wind chills of 20 degrees below zero, the UN forces advanced some fifteen miles.

But the Chinese were waiting in ambush. Their goal was to utterly destroy MacArthur’s forces. On November 25 they attacked along a 300-mile front. First, a column of Chinese infantry hit the Eighth Army’s right flank, MacArthur’s weakest point, totally annihilating South Korean forces and widening the gap between the Eighth Army and X Corps. Meanwhile, as the US Eighth Army made its way north on narrow, indefensible corridors that wound through mountains MacArthur had said were too rugged to shelter Chinese troops, the Chinese attacked with machine guns and mortars. It was a desperate moment.
Map of the 2nd part of Phase 3: November 24-December 15, 1950
Map of the 2nd part of Phase 3: November 24-December 15, 1950
But even as the US Eighth Army stalled in the mountains, Almond’s X Corps on the right flank, unaware of the desperate situation to the west, continued forward along a 100-mile front. Almond ordered the 1st Marine Division, commanded by General Oliver P. Smith, to push rapidly along the 78-mile mountain road that connected the port city of Hungnam to the Chosin reservoir.  Almond believed there was no enemy out there.  Smith, however, wasn’t so optimistic.  He advanced cautiously to allow time to close gaps in the ranks, and he established supply points and airfields along the way.  Smith’s caution would pay off.  During their intelligence-gathering offensive weeks earlier, only one anomaly stood out. Several Chinese divisions had been soundly defeated by the 7th Regiment of US Marines.  Now the Chinese had prepared something special for those same Marines. On the morning of the 27th, Major General Almond toured the area by helicopter. He again urged the Marines forward, dismissing the Chinese as nothing but the remains of a few divisions fleeing north.  “We’re still attacking and we’re going all the way to the Yalu.  Don’t let a bunch of Chinese laundrymen stop you,” he said.  Following Almond’s order, Smith attacked to the west, but after meeting stiff resistance, he ordered his men to dig in.

That night, the Chinese 9th Army attacked with 5 battalions.  But they committed their soldiers to the battle with less than adequate intelligence on UN forces, and without artillery or proper weather gear.   Smith’s well-organized Marines inflicted heavy casualties and rendered all 5 Chinese battalions combat ineffective.  But Smith was stuck in place.  Even though he sent a report every 4 hours, he received no orders permitting him to withdraw.  Without orders, he had no choice but to stay and defend.  By the 29th the 30,000 men who comprised Smith’s 1st Marine Division, were surrounded and cut off.
Map of Chosin Reservoir
Map of Chosin Reservoir
By now it was obvious that the “Home-by-Christmas” offensive was a disaster, and that the Chinese had enough troops to surround both Walker in the West and Almond in the East and still have enough troops to move south and take Seoul, the South Korean capital. After pouring over his maps and searching for a way to prove that he had not been totally outgeneraled, MacArthur accepted the reality. He ordered the Eighth Army to fight a series of delaying actions while the X Corps tried to break out of the Chosin and escape to the coast. On the 30th, the surrounded 1st Marines finally received orders to withdraw. What followed was a 13-day running battle in brutally cold conditions along the narrow 78-mile road that led southeast to Hungnam. The campaign has been nicknamed "The Frozen Chosin" by the Marines, who after a series of attacks and defensive engagements executed a breakout while famously repatriating their dead along the way. Air support from the First Marine Air Wing proved decisive. They used night
attack aircraft, and once, when the Marines had come up against an impassible abyss, sections of a huge suspension bridge were delivered by air. When the ground proved to be too frozen for digging up the earth needed to form a solid base for the bridge, the Marines used the corpses of Chinese soldiers as landfill. The breakout prompted General Smith to remark, "Retreat, hell! We're not retreating, we're just advancing in a different direction." By the 11th, the 1st Marines and X Corps had managed to cripple the Chinese 9th Army Group while establishing a defensive perimeter at the port city of Hungnam, where they were evacuated from North Korean soil to the South Korean city of Pusan.
Dead Marines from Chosin Reservoir, 11/50
Dead Marines from Chosin Reservoir, 11/50
Marines retreat from Chosin Reservoir (11/50)
Marines retreat from Chosin Reservoir, 11/50
Meanwhile, the Eighth Army on the western side of the peninsula continued its retreat south, and the 2nd Infantry Division found itself in one of the most brutal ambushes in military history. Believing they were avoiding a three-sided trap, the division entered a valley by way of a narrow road. They did not know the Chinese had established a 6-mile roadblock through which the division would pass. It became known as, “the gauntlet.” As they entered it, Chinese machine guns and mortars rained down on the Americans. Soon the road was further blocked with wrecked vehicles and scores of wounded and dead. A vehicle would be hit, blocking the road, and some brave soldier would try to move it aside while the Chinese poured down fire from above. Bodies too clogged the road, alive or dead no one knew, and jeep drivers would have no choice but to run over them or risk being the next target, which would only further block the road. American air power helped some during the day, but at night the Chinese attack intensified. One particularly harrowing section about five miles down was known as "the pass," a quarter mile slit in the mountains
U.S. forces cross the 38th Parallel back into South Korea
U.S. forces cross the 38th Parallel back into South Korea
flanked by steep embankments fifty feet high. There was no cover and no escape. When the division commander, Major General Laurence B. Keiser arrived at the pass in mid-afternoon, he found it so clogged with wreckage and casualties that it was virtually impassable. As he walked along the road, Keiser stepped on a wounded soldier, who cursed him. "My friend, I'm sorry" was all the stunned commander could say. Finally, the road was completely blocked when elements of the division were completely destroyed, leaving broken and abandoned artillery pieces in the way. At the rear of the division, the 23rd Infantry Regiment blew up its supply of 3,206 artillery shells as a diversion, allowing them to slip into the hills on foot. Some three thousand men were killed, wounded, or missing during that terrifying 6-mile journey. Finally, on the 2nd, the remnants of the fleeing division lost contact with the enemy.
President Truman struggled to comprehend what it all meant.  At a press conference on the 30th, the same day the 2nd Infantry Division was running the gauntlet, Truman was asked in a press conference if the United States might have to resort to the atomic bomb.  “There has always been active consideration of its use,” the President responded. On December 15, UN forces re-crossed the 38th Parallel back into South Korea, and President Truman declared a state of national emergency.
sound President Truman Address on State of Emergency, 12/15/50
 
Although the Battle of Chosin Reservoir was a stunning victory for the Chinese, it came at a staggering cost of fighting strength.  At the same time, General Smith’s leadership had preserved much of the fighting strength and supplies of X Corps.  Ultimately, the battle allowed the UN forces to maintain a foothold in Korea. And another fateful event would prove to have a critical impact on the UN mission in Korea.  On December 23, General Walker, commander of the Eighth Army, was killed when his jeep crashed head-on into an oncoming truck.  He was replaced by Lieutenant General Matthew Ridgway, one of the most capable and talented officers of his generation.

6. Phase 4: Fighting Around the 38th Parallel (1/51-5/51)

On December 31, 1950, Chinese and North Korean forces pressed their advantage by launching another
Lt. General Ridgeway
Lt. General Ridgeway
offensive. They used night attacks and spooked UN forces with loud trumpets and gongs, causing some soldiers to run away. By the end of the first week of January they had taken Seoul, and UN forces had withdrawn from Inchon. General MacArthur considered using nuclear weapons against the Chinese or North Korean interiors, with the intention that the resulting radioactive fallout zones would interrupt the Chinese supply chains. But the arrival of General Ridgway had quick results on the morale and fighting effectiveness of the Eighth Army. Ridgway was a dynamo of action. He constantly toured the front lines. He whipped his officers into shape, and made it clear he expected the Army to get out of their jeeps and start toughening up. Ridgway employed better tactics too, making sure they took advantage of reconnaissance, the terrain, artillery, stronger defensive positions, and more flares to illuminate the sky during night fighting. In short, Ridgway resurrected the Eighth Army’s pride and moral, and turned them into a confident, effective fighting force.
Map of Phases 4-5: January 1951-July 1953
Map of Phases 4-5: January 1951-July 1953
Meanwhile, in their latest push, Chinese and North Korean forces had overextended their supply lines, and they began to pull back from ground they had taken south of Seoul.  General Ridgway conducted extensive reconnaissance and moved north.  Over the next few months, the Chinese attacked, and UN forces counter-attacked.  The Soviet Union began to contribute material (mostly trucks, air, and anti-aircraft support), but the modest improvement in the effectiveness of the Chinese supply lines could not prevent UN forces recapturing Seoul.

sound UN Ambassador Warren Austin Speech on Korea, 1/15/51
soundGeneral MacArthur comment to the Press, 1/21/51


During these early months of 1951, General MacArthur wrestled with the fallout of his failed offensive.  Characteristically, he did not accept any of the responsibility for what had happened.  He blamed Washington for his situation, and he simply couldn’t accept that his career would end in this way.  He wanted to finish the job of unifying the Korean peninsula, which meant taking the war directly to China. He believed that the decision of whether or not to use atomic weapons should be his, not the President’s. In Tokyo, he began to give regular interviews to the press in which he advocated for such a policy. But the Truman administration and America’s UN allies saw too many pitfalls to expanding the war.  For one thing, there weren’t enough men to fight a larger war and still meet NATO commitments.  International opinion was turning against the Korean mission, and there loomed the specter of direct Soviet intervention and nuclear war.  Time and again MacArthur would ask permission to bomb China.  He would be told no, and that he was not to make any statements regarding America’s foreign policy. MacArthur would then fire off a series of angry protests.  Omar Bradley, then Chairman of the Joint Chiefs of Staff, later wrote:
His legendary pride had been hurt.  The Red Chinese had made a fool of the infallible ‘military genius’… the only possible means left to MacArthur to regain his lost pride and military reputation was now to inflict an overwhelming defeat on those Red Chinese generals who had made a fool of him.  In order to do this he was perfectly willing to propel us into all-out war with Red China, and possibly with the Soviet Union, igniting World War III and a nuclear holocaust.
Eventually, MacArthur went too far.  Knowing that on March 24 Truman would be announcing his intention to seek a cease-fire with the Chinese as a first step toward a negotiated settlement of the Korean question, MacArthur cut him off at the knees.  He made a public statement taunting the Chinese military, and he boasted that he would wipe them out if only his hands weren’t tied (by Truman). He attempted to shame the Chinese so that, in order to save face, they would continue to fight rather than negotiate.  The Chinese took the bait and reiterated their goal to fight to the bitter end.  Truman’s plans had been ruined. The President was stunned.  In direct defiance of his orders, MacArthur had attempted to dictate policy. Truman later wrote, “By this act MacArthur left me no choice—I would no longer tolerate his insubordination.” Truman sent a message through General Bradley, reminding MacArthur of his orders.  But MacArthur continued to make suggestive remarks about Truman’s policy to the press.  Then, a message MacArthur had written to the House minority leader, a conservative Republican who had publicly accused the President of murdering “thousand of American boys” by not escalating the war, was read into the Congressional record.  MacArthur had agreed with the congressman’s views, and added, “There is no substitute for victory.”  Truman had finally had enough.
President Truman explains why he fired MacArthur
sound President Truman explains why he fired MacArthur
On April 11, 1951, President Truman removed Douglas MacArthur from his post as commander of UN forces in Korea, explaining that the general had been "unable to give his wholehearted support to the policies of the United States government and the United Nations."  For firing General MacArthur, the celebrated hero of the war against Japan and genius behind the brilliant Inchon landing, Truman was subjected to a torrent of right-wing attacks, and some Republicans even called for his impeachment. The President addressed the nation that night to explain why he had relieved MacArthur of his command:
I have thought long and hard about this question of extending the war in Asia. I have discussed it many times with the ablest military advisers in the country. I believe with all my heart that the course we are following is the best course. I believe that we must try to limit the war to Korea for these vital reasons:  to make sure that the precious lives of our fighting men are not wasted; to see that the security of our country and the free world is not needlessly jeopardized; and to prevent a third world war. A number of events have made it evident that General MacArthur did not agree with that policy. I have therefore considered it essential to relieve General MacArthur so that there would be no doubt or confusion as to the real purpose and aim of our policy. It was with the deepest personal regret that I found myself compelled to take this action. General MacArthur is one of our greatest military commanders. But the cause of world peace is much more important than any individual.
News: Truman fires MacArthur
sound News: Truman fired MacArthur
MacArthur Address to Congress
soundMacArthur Address to Congress, 4/14/51
soundTruman on His Decision to Fire MacArthur, 10/21/59
When General MacArthur returned home, the American people lavished him with attention. In Washington, Republican supporters invited him to address a joint session of Congress. He did so on April 14. It was a powerful speech, but he continued to make suggestions about foreign policy, and he outright lied when he said that the Joint Chiefs of Staff agreed with his Korean policies. MacArthur concluded his speech:
I am closing my 52 years of military service. When I joined the Army, even before the turn of the century, it was the fulfillment of all of my boyish hopes and dreams. The world has turned over many times since I took the oath on the plain at West Point, and the hopes and dreams have long since vanished, but I still remember the refrain of one of the most popular barrack ballads of that day which proclaimed most proudly that ‘old soldiers never die; they just fade away.’ And like the old soldier of that ballad, I now close my military career and just fade away, an old soldier who tried to do his duty as God gave him the light to see that duty. Good Bye.
Not surprisingly, Republicans and Democrats were divided on the speech. A Missouri Republican said, “We saw a great hunk of God in the flesh, and we heard the voice of God.” Former president Hoover called MacArthur “the reincarnation of Saint Paul into a great General of the Army who came out of the East.” Truman, on the other hand, bluntly stated, “It was nothing but a bunch of damn bullshit.”

Weeks later, Truman was vindicated. From May 3 to June 25, 1951, the Senate Foreign Relations Committee investigated MacArthur's dismissal. Most damning was the testimony of Omar Bradley, Chairman of the Joint Chiefs of Staff (MacArthur’s boss), and himself one of the most cherished heroes of WWII.  In regards to MacArthur’s proposed strategy, Bradley said, “Frankly, in the opinion of the Joint Chiefs of Staff, this strategy would involve us in the wrong war, at the wrong place, at the wrong time, and with the wrong enemy.” The committee’s final judgment was that MacArthur had defied the orders of the President and thus had violated the US Constitution.

With MacArthur gone, Matthew Ridgway took over the top spot, and General James Van Fleet assumed command of Eighth Army. From April 14-22, and then again in May, the Chinese launched what would be the last of their major offensives against UN forces.  After several major battles, UN forces successfully repulsed the attacks and then counter-attacked.  By the end of May, fighting had ceased with the UN line just north of the 38th Parallel.
7. Phase 5: Stalemate (6/51-7/53)
The final and longest phase of the Korean War (more than 2/3 of the entire war), is characterized as a stalemate. Both sides made overtures towards peace, and talks began as early as July 1951. During this time, each side continued to fight in order to gain ground and test the enemy’s resolve. Numerous battles were fought, including the Battle of Heartbreak Ridge (September 13-October 15, 1915). This month-long battle between American and French forces and Chinese and North Korean forces, just a few miles north of the 38th Parallel, resulted in 3,700 American and French casualties and an estimated 25,000 North Korean and Chinese casualties. In the spring of 1952, President Truman announced that he would not run for reelection, not surprising given the unpopularity of the war by this time. Meanwhile, Truman relieved General Dwight D. Eisenhower, of his
Rep. Kennedy on Korea
sound Rep. Kennedy on Korea, 7/15/51
Saturday Evening Post Cold War Articles
Saturday Evening Post Cold War Articles 9/29/51
military duties so that “Ike”, the former Supreme Allied Commander of WWII, could run for president. He won easily. It had been 20 years since a Republican had occupied the White House.
sound Congressman James E. Van Zandt (R-PA) advocates use of A-bomb

8. Armistice
President Eisenhower too pressed for an end to the war. By the spring of 1953, peace talks were finally reaching fruition.  Terms for exchanging prisoners of war were signed in June, and a peace agreement was achieved shortly thereafter.  On July 27, 1953, the Peace Treaty was signed at Panmunjom. The 38th parallel, that arbitrary border set back in 1945, was reset as the boundary
Eisenhower Campaign
Eisenhower Campaign
General Walker signs ArmisticeGeneral Walker signs Armistice
between communist North and anti-communist South. Tens of thousands of American G.I.s were permanently stationed in South Korea as a deterrent to further communist aggression. Cold War tensions continued.

On his decision to make a stand in Korea, President Truman later wrote in his autobiography:

Communism was acting in Korea, just as Hitler, Mussolini and the Japanese had ten, fifteen, and twenty years earlier. I felt certain that if South Korea was allowed to fall Communist leaders would be emboldened to override nations closer to our own shores. If the Communists were permitted to force their way into the Republic of Korea without opposition from the free world, no small nation would have the courage to resist threat and aggression by stronger Communist neighbors.

Eisenhower announces armistice
sound Eisenhower announces armistice, 7/27/53
The Autobiography of Harry S. Truman
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