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Pacific Ocean theater of World War II

  • Gilbert and Marshall Islands campaignIn August 1942, the United States Pacific Fleet and Marine Corps began their first large-scale offensive across the Central Pacific.
  • Battle of Guam (1941)Guam is the southernmost part of the Mariana Islands in the Pacific Ocean. It covers an area of 225 square miles with rugged interior terrain.
  • End of World War II in AsiaThe Tehran Conference met from November 28 to the 1st of December 1943. Soviet leaders agreed to invade Japan after Germany fell.
  • Battle of Leyte GulfThe Battle of Leyte Gulf began on the 23rd of October 1944 and ended on the 26th of that same month. It involved over 200,000 naval personnel across more…
  • Battle of the Philippine SeaOn the 31st of March 1944, Admiral Mineichi Koga died when his Kawanishi H8K aircraft crashed into a typhoon. His chief of staff, Vice Admiral Shigeru…
  • Invasion of Lingayen GulfOn the 22nd of December 1941, the Japanese 14th Army under Lieutenant General Masaharu Homma landed on the northeastern shores of Lingayen Gulf at Agoo…
  • Operation HailstoneIn 1939, Japanese troops established Truk Lagoon as a forward operating base for the Imperial Navy's 4th Fleet. By 1944, American leaders called it the…
  • Guadalcanal campaignOn the 7th of December 1941, Japanese forces attacked the United States Pacific Fleet at Pearl Harbor, Hawaii. The attack killed almost 2,500 people and…
  • Operation KeOn the 31st of December 1942, Emperor Hirohito formally endorsed the decision to abandon Guadalcanal. This moment marked a turning point in the Pacific War…
  • Allied submarines in the Pacific WarOn the afternoon of the 7th of December 1941, six hours after the Japanese attack on Pearl Harbor, U.S. Navy Chief of Staff issued a directive to Pacific…