United States Army Air Forces World War II parachute Caterpillar Club pin. The Caterpillar Club pins were issued by parachute manufacturers to servicemen who had successfully bailed out of a disabled aircraft by using a parachutewhat they called hitting the silks. This is an original, not a copy.See pics for great condition. Rare and hard to find. Please contact me if you have questions and thanks for looking! The item "World War II WW2 Caterpillar Club Pin US Army Air Corps Parachute Sterling" is in sale since Sunday, December 6, 2020. This item is in the category "Collectibles\Militaria\WW II (1939-45)\Original Period Items\United States\Pins". The seller is "sparksangel" and is located in Saint Johns, Florida. This item can be shipped to United States.