Collection by pulltab
Bell Model 30, c. 1943.  Photo: Aviastar
Bell Model 30, c. 1943. Photo: Aviastar
Left side view from slightly forward of Sikorsky VS-300A in low-level hovering flight, piloted by test pilot Les Morris; an unidentified man places a bundle in the helicopter's nose basket; 1943.  Photo: Hans Groenhoff, Smithsonian National Air and Space Museum.
Left side view from slightly forward of Sikorsky VS-300A in low-level hovering flight, piloted by test pilot Les Morris; an unidentified man places a bundle in the helicopter's nose basket; 1943. Photo: Hans Groenhoff, Smithsonian National Air and Space Museum.
Bell X-14A NASA 234 
At Ames Lab, Moffett Field, May 23, 1962.
USAF 56-4022.
Bell X-14A NASA 234 At Ames Lab, Moffett Field, May 23, 1962. USAF 56-4022.
DAYTON, Ohio -- Sikorsky YH-5A at the National Museum of the United States Air Force. (U.S. Air Force)
DAYTON, Ohio -- Sikorsky YH-5A at the National Museum of the United States Air Force. (U.S. Air Force)