George was the fourth and longest serving Group Commander of the 306th from June 20, 1943 to September 23, 1944.
Originally, George went to combat with the 303rd Bomb Group as Operations Officer and rose to Deputy Commander there before becoming Commanding Officer of the 306th Bomb Group. He flew first mission with the 306th on June 25,1943 and his last was on September 5, 1944. He completed 26 missions, and several times he led the entire 8th Air Force on missions.
He transferred home on September 23, 1944. Upon returning, he became director of the Aircraft Division, Air Force Board, Washington DC. He then attended the Army Command and Staff School at Fort Leavenworth. His next assignment was with the Strategic Air Command (SAC), in command of various bases, groups, and a B-47 wing.