Major Hubert A. Zemke became group commander on 16 September 1942 .
Major Hubert A. Zemke is a pre-war Air Corps pilot with experience as a combat observer with the RAF and a P - 40 instructor to the Soviet Air Force .
Major Hubert A. Zemke , a pre-war Air Corps pilot with experience as a combat observer with the RAF and a P - 40 instructor to the Soviet Air Force , became group commander on 16 September 1942 .