Complex sentence: The first director of WAF was Colonel Geraldine Pratt May who had received her first commission in August 1942 and had been among the first women officers assigned to the Army Air Forces where she served as WAC staff director within Air Transport Command.
Split into simpler sentences: The first director of WAF was Colonel Geraldine Pratt May, who received her first commission in August 1942. She had been among the first women officers assigned to the Army Air Forces, where she served as WAC staff director within Air Transport Command.