The pilots of the 1st Group included Captain Eddie Rickenbacker, credited as the top scoring American ace in France during World War I. During World War II, the 1st FG was among the first groups deployed overseas in the summer of 1942. The group flew missions in England as part of the Eighth Air Force, then was transferred to North Africa in November 1942. It experienced significant combat as part of the Twelfth Air Force, moved to Italy, and became part of the fighter force of the Fifteenth Air Force. The 1st FG was equipped with the first operational U.S. jet fighter aircraft, the P-80A Shooting Star, in 1946.