The Burmese Front
Allied operations in Southeast Asia were perpetually hampered by a lack of supplies and the low priority given the theater by Allied commanders. In late 1942, the British launched their first offensive into Burma. Moving along the coast, it was quickly defeated by the Japanese. To the north, Major General Orde Wingate began a series of deep penetration raids designed to wreak havoc on the Japanese behind the lines. Known as "Chindits," these columns were supplied entirely by air and, though they suffered heavy casualties, succeeded in keeping the Japanese on edge. Chindit raids continued throughout the war and in 1943, a similar American unit was formed under Brigadier General Frank Merrill.
In August 1943, the Allies formed the Southeast Asia Command (SEAC) to handle operations in the region and named Admiral Lord Louis Mountbatten as its commander. Seeking to regain the initiative, Mountbatten planned a series of amphibious landings as part of a new offensive, but had to cancel them when his landing craft were withdrawn for use in the Normandy invasion. In March 1944, the Japanese, led by Lieutenant-General Renya Mutaguchi, launched a major offensive to take the British base at Imphal. Surging forward they encircled the town, forcing General William Slim to shift forces north to rescue the situation. Over the next few months heavy fighting raged around Imphal and Kohima. Having suffered high numbers of casualties and unable to break the British defenses, the Japanese broke off the offensive and began retreating in July. While the Japanese focus was on Imphal, US and Chinese troops, directed by General Joseph Stilwell made progress in northern Burma.
Retaking Burma
With India defended, Mountbatten and Slim began offensive operations into Burma. With his forces weakened and lacking equipment, the new Japanese commander in Burma, General Hyotaro Kimura fell back to the Irrawaddy River in the central part of the country. Pushing on all fronts, Allied forces met with success as the Japanese began giving ground. Driving hard through central Burma, British forces liberated Meiktila and Mandalay, while US and Chinese forces linked up in the north. Due to a need to take Rangoon before the monsoon season washed away the overland supply routes, Slim turned south and fought through determined Japanese resistance to take the city on April 30, 1945. Retreating east, the Kimura's forces were hammered on July 17 when many attempted to cross the Sittang River. Attacked by the British, the Japanese suffered nearly 10,000 casualties. The fighting along the Sittang was the last of the campaign in Burma.
The War in China
Following the attack on Pearl Harbor, the Japanese launched a major offensive in China against the city of Changsha. Attacking with 120,000 men, Chiang Kai-Shek's Nationalist Army responded with 300,000 forcing the Japanese to withdrawal. In the wake of the failed offensive, the situation in China returned to the stalemate that had existed since 1940. To support the war effort in China, the Allies dispatched large amounts of Lend-Lease equipment and supplies over the Burma Road. Following the capture of the road by the Japanese, these supplies were flown in over "The Hump."
To ensure that China remained in the war, President Franklin Roosevelt dispatched General Joseph Stilwell to serve as Chiang Kai-Shek's chief of staff and as commander of the US China-Burma-India Theater. China's survival was of paramount concern for the Allies as the Chinese front tied down large numbers of Japanese troops, preventing them from being used elsewhere. Roosevelt also made the decision that US troops would not serve in large numbers in the Chinese theater, and that American involvement would be limited to air support and logistics. A largely political assignment, Stilwell soon became frustrated by the extreme corruption of Chiang's regime and his unwillingness to engage in offensive operations against the Japanese. This hesitancy was largely the result of Chiang's desire to reserve his forces for fighting Mao Zedong's Chinese Communists after the war. While Mao's forces were nominally allied with Chiang during the war, they operated independently under Communist control.
Issues Between Chiang, Stilwell, & Chennault
Stilwell also butted heads with Major General Claire Chennault, the former commander of the "Flying Tigers," who now led the US Fourteenth Air Force. A friend of Chiang's, Chennault believed that the war could be won through air power alone. Wishing to conserve his infantry, Chiang became an active advocate of Chennault's approach. Stilwell countered Chennault by pointing out that large numbers of troops would still be required to defend US airbases. Operating parallel to Chennault was Operation Matterhorn, which called for the basing of new B-29 Superfortress bombers in China with the task of striking the Japanese home islands. In April 1944, the Japanese launched Operation Ichigo which opened a rail route from Beijing to Indochina and captured many of Chennault's ill-defended airbases. Due to the Japanese offensive and the difficulty in obtaining supplies over "The Hump," the B-29s were re-based to the Marianas Islands in early 1945.
Endgame in China
Despite having been proven correct, in October 1944, Stilwell was recalled to the US at Chiang's request. He was replaced by Major General Albert Wedemeyer. With the Japanese position eroding, Chiang became more willing to resume offensive operations. Chinese forces first aided in evicting the Japanese from northern Burma, and then, led by General Sun Li-jen, attacked into Guangxi and southwestern China. With Burma retaken, supplies began to flow into China allowing Wedemeyer to consider larger operations. He soon planned Operation Carbonado for the summer of 1945, which called for an assault to take the port of Guandong. This plan was cancelled following the dropping of the atomic bombs and Japan's surrender.
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