 Following the attacks on Pearl Harbor, the wing transferred to Naval Air Station San Diego, California, on December 10, 1941, and then to Camp Kearny on December 31.The first deployment for 1st MAW came in August 1942 when forward elements of the Wing arrived on Guadalcanal and made up the Cactus Air Force supporting the 1st Marine Division during the Battle of Guadalcanal.At the beginning of the Korean War, the initial deployment of Marines was a provisional brigade activated on July 7, 1950 — the 1st Provisional Marine Brigade — formed from the 1st Marine Division and the 1st Marine Aircraft Wing.