Established in mid-1944 as a weather reconnaissance squadron; trained under Third Air Force using B-24 Liberator aircraft. Deployed to XXI Bomber Command on Guam in April 1945. Equipped with B-29 Superfortress very long range aircraft and provided weather reconnaissance for Twentieth Air Force B-29 raids on Japan in the Western Pacific theater. Returned to the United States in 1946, where it trained and conducted weather reconnaissance. Between July and Oct 1947, when it inactivated, the squadron flew daily missions over the eastern Pacific Ocean.