Howard R. Hughes, Sr., standing outdoors by a trench mining drill, which is underneath a tent-like canopy. Part of the Sharps-Hughes Tool Company's Second and Girard Streets plant is seen in the background.
L-R: Rea Hopper, Director of the Aeronautical Division, Hughes Aircraft Company; Howard Hughes; Clyde Jones, Director of Engineering, Hughes Tool Company Aeronautical Division; Warren Reed, Assistant; Col. Carl E. Jackson, Air Research and Development Headquarters, Baltimore; Gale J. Moore, pilot; and unidentified pilot in front of the experimental helicopter XH-17 Flying Crane on October 23, 1952. This was one of Hughes' last public appearances.
Transcribed from back of photo: "Howard Hughes (in cockpit) warms up the XF-11 for its initial test flight. It is one of the world's fastest long-range photographic planes, July 7, 1946."