Sikorsky UH-19B Chickasaw
DAYTON, Ohio -- Museum volunteers speak with visitors about the Sikorsky UH-19B Chickasaw on display in the Korean War Gallery at the National Museum of the U.S. Air Force. The UH-19B on display is painted and marked as an H-19A known as Hopalong, one of two H-19s to make the first transatlantic helicopter flight, traveling during the summer of 1952 from Westover Air Force Base, Mass., to Scotland in five stages.(U.S. Air Force photo by Ken LaRock)