Volcano and Ryukyu Islands campaign Volcano and Ryukyu Islands campaign The Volcano and Ryūkyū Islands Campaign was a series of battles and engagements between Allied forces and Imperial Japanese forces in the Pacific Ocean campaign of World War II between January and June, 1945. The campaign took place in the Volcano and Ryukyu island groups. The two main land battles in the campaign were the Battle of Iwo Jima (February 16-March 26, 1945) and the Battle of Okinawa (April 1–June 21, 1945). One major naval battle occurred, called Operation Ten-Go (April 7, 1945) after the operational title given to it by the Japanese. The campaign
Sangihe Islands main islands of the group are, north to south, Sangir Besar (or Sangir Island), Siau (or Siao), Tahulandang, and Biaro. The largest island is Sangir Besar and contains an active volcano, Mount Awu (). Tahuna is the chief town and port, also hosting the islands' sole airport, Naha Airport. The area came under Dutch control in 1677, and became part of Indonesia when it declared independence from the Netherlands in 1945. The Sangir language is spoken in the islands; this Austronesian language is also spoken in some islands in the Philippines, and on the extreme northern tip of Sulawesi. The