sentences:  It was activated 1 March 1943 at Ephrata Army Air Base, Wash., with the 600th, 601st, 602d, and 603d Bombardment Squadrons.The Group assembled at Blythe Army Airfield, California, and then moved to Geiger Field, Washington, on 20 April 1943 to complete training.On 20 June 1943 moved to Rapid City Army Air Base, South Dakota, to take up Replacement Training Unit duties.