 When training was completed moved to North Field (Tinian) in the Mariana Islands of the Central Pacific Area in January 1945 and assigned to XXI Bomber Command, Twentieth Air Force.Its mission was the strategic bombardment of the Japanese Home Islands and the destruction of its war-making capability.Flew "shakedown" missions against Japanese targets on Moen Island, Truk, and other points in the Caroline Islands and Marianas.