The Most Important Campaigns of the Pacific War in WW2

The Pacific War, which began in 1941 and ended in 1945, was a war that had numerous military campaigns. These military campaigns in the Pacific included many battles on both land and sea involving hundreds of thousands, possibly millions, of soldiers of the Japanese and Allied armies in the Pacific. These are a few of the most notable military campaigns of the Pacific War.

Guadalcanal Campaign

The Guadalcanal Campaign began in 1942 and continued into early 1943. That was one of the key campaigns of the war that marked the beginning of the Allied advance in the Pacific. Buoyed by their victory at the Battle of Midway, the Allies made their first amphibious landings at Guadalcanal in 1942 with the objective of taking the airfields constructed there, and then the rest of Guadalcanal as a platform for further operations in the Pacific.

The Japanese poured their troops and navy toward Guadalcanal in an attempt to hold it and retake Henderson Field, which was quickly lost to the Allies in the early stages of the campaign. Numerous battles emerged around Henderson Field, such as the Battle of Henderson Field, in which Japan sent thousands of troops to retake it. However, the U.S. troops still held the airstrip and would begin to make steady advances further into Guadalcanal in the latter half of the campaign.

At sea, there were also naval skirmishes and battles involving the IJN and the U.S. Navy in which the IJN had some notable victories. Despite this, the Japanese could not hold Guadalcanal and began to withdraw in 1943

Burma Campaign

The Burma Campaign began in 1942 as Japanese troops advanced into Burma to cut off Chinese supply lines. During their advances, the Japanese army took Rangoon in the south and pushed the British and Commonwealth troops out of Burma and into India. In 1943, the advance continued as Japanese troops moved into India and reached both Imphal and Kohima further north.

However, this was as far as the Japanese advanced. Neither Kohima nor Imphal could be taken by the Japanese army during the advance. They were first defeated at Kohima, and then, with further reinforcements arriving from the north, the Japanese siege around Imphal was also ended.

After these defeats, the Japanese retreated from India, and this retreat continued for much of the war as they also lost battles to the Americans and Chinese troops in Burma. Eventually, the Allies retook Rangoon in the south of Burma before the campaign came to a close in the final months of the Pacific War. It was a noteworthy victory for the British and Commonwealth troops after their earlier defeats in the Pacific War at Singapore.

The Philippines Campaign

The Philippines was an American colony that was rich in oil supplies. As such, from the outset, it was a target for the Japanese army, and it would fall to the Japanese in 1942. Although it took longer than expected to defeat the American troops in the Philippines, the Philippines still fell to the Japanese army. After the American withdrawal, MacArthur promised to return to retake the Philippines later in the war.

This promise would be a key factor in the Philippines Campaign that would follow in 1944. Although some within the U.S. military advocated targets such as Formosa, MacArthur pinpointed the Philippines as the next point for further Allied advances.

The Philippines Campaign began in the waters around Leyte. The Battle of Leyte Gulf was the largest of the naval battles that wiped out much of the Imperial Japanese Navy, and the U.S. Marines landed at Leyte. The campaign continued throughout 1945 in Luzon. Their victory at the Battle of Luzon all but ended the Philippines Campaign, with most of the Japanese troops in the Philippines defeated, and only small pockets of Japanese soldiers held out in some areas. It was a triumphant return for the American army after its defeat in 1942.

These were three military campaigns that were won by America and its allies during the Pacific War. The first at Guadalcanal, then Burma, and then the Philippines were three campaigns won the Pacific War for the Allies. Soon after the final campaigns of this war were over, the Allies celebrated victory in the Pacific.

This article of mine was originally submitted to Medium, where you can read it here.