HelicoptersC/NPhotos Photos Sikorsky S-55 H-19 in US Air Force Sikorsky H-19A Chickasaw 51-3850 1952 pictured in Korea, National Museum of the U.S. Air Force photo Sikorsky H-19A Chickasaw 51-3850 1952 pictured in Korea, National Museum of the U.S. Air Force photo Sikorsky H-19B Chickasaw 52-7564 pictured at Edwards AFB, CA Sikorsky H-19B Chickasaw 52-7564 pictured at Edwards AFB, CA Sikorsky H-19D Chickasaw 57-5937 08Apr07 USAF; to N37788; 08apr07 pictured preserved at Valiant Air Command Warbird Museum, Titusville, Florida Sikorsky H-19D Chickasaw 57-5937 08Apr07 USAF; to N37788; 08apr07 pictured preserved at Valiant Air Command Warbird Museum, Titusville, Florida
Sikorsky H-19A Chickasaw 
Sikorsky H-19B Chickasaw 
Sikorsky H-19D Chickasaw 