During World War II the Office of Strategic Services (OSS), the forerunner of the Central Intelligence Agency (CIA) and U.S. Army Special Forces, used the U.S. Army Air Forces to fly secret missions into Europe. The aircraft would drop supplies, equipment, and OSS agents into Nazi-occupied Europe to French, Norwegian, and other resistance groups.
The 492nd Bombardment group, known as the ‘Carpetbaggers’, used their B-24 Liberators to perform the airdrop missions. Read more inĀ Operation CARPETBAGGER – Night Flights Over Occupied Europe, National Museum of the US Air Force, May 1, 2015.