Complex sentence: In 1941 he joined the U.S. Army Aviation Cadet Program at Luke Air Force Base and received his Pilot Wings in the fall of 1941 and was commissioned a 2nd Lieutenant.
Split into simpler sentences: In 1941 he joined the U.S. Army Aviation Cadet Program at Luke Air Force Base. He received his Pilot Wings in the fall of 1941 and was commissioned a 2nd Lieutenant.