Complex sentence: Duane Francis and Bill Martin, opened fire on the Storch with their.45 caliber pistols, forcing the German air crew to land and surrender; this Storch was the only aircraft known to have been downed by handgun fire in the entire war.
Split into simpler sentences: Duane Francis and Bill Martin, opened fire on the Storch with their.45 caliber pistols, forcing the German air crew to land and surrender. The involved Storch was the only aircraft known to have been downed by handgun fire in the entire war.