assault on New Britain Causeway (planned for 1945, not executed) — planned US invasion of Formosa (Taiwan). Scrapped in favour of Operation Detachment (Battle of Iwo Jima). Cleanslate (1943) — US landings on the Russell Islands Cottage (1943) — US and Canadian operation to recapture Kiska in the Aleutians Cyclone (1944) — US airborne landings on Noemfoor, Dutch New Guinea Detachment (1945) — US invasion of Iwo Jima Downfall (1945) — planned invasion of Japan Olympic (planned for 1945, not executed) — first of two prongs of the invasion of Japan Coronet (planned for 1946, not executed) — second of two prongs of the invasion of Japan Fall River (1942) — Allied reinforcement and airfield construction at Milne Bay, Papua New Guinea. Ferdinand (1942) — coastwatchers on Japanese-occupied islands Flintlock (1944) — US assault on Marshall Islands. Catchpole (1944) — US invasion of Eniwetok Hailstone (1944) — naval air attack on Truk Forager (1944) — US assault on Marianas Islands. Galvanic (1943) — US assault on Gilbert Islands. Gratitude (1945) — US Navy raid into the South China Sea Iceberg (1945) — US invasion of Okinawa Inmate (1945) — British and New Zealand naval bombardment of Truk Juneau (1945) — US minesweeping operations at Okinawa. Lentil (1945) — air attack by British Pacific Fleet on Pangkalan Brandan, eastern Sumatra Majestic (planned for 1945, not executed) — Planned Allied invasion of the Japanese Home Island of Kyushu. Scrapped in favour of Operation Olympic (under Operation Downfall) Meridian (1945) — air attack by British Pacific Fleet on Palembang Oboe (1945) — Allied assault on Borneo. PM (1945) — removal of defensive minefield off Auckland, New Zealand Sandcrab (1943) — US operation to recapture Attu in the Aleutians Starvation (1945) — American aerial mining of Japanese ports and waterways. Stalemate (1944) — US assault on Peleliu and Palau Islands Vengeance (1943) — The assassination of Japanese Admiral Isoroku Yamamoto Watchtower (1942) — U.S. invasion of Guadalcanal See also List of World War II military operations External links WW2DB: List of Axis Operations WW2DB: List of Allied Operations Naval and land based operations in Pacific Theater Pacific Theater, World War II