Howard Hughes in open cockpit of his H-1 airplane, circa late 1930s.

Description given with photo: "Prepared For His Defense, Washington: Howard Hughes took the witness stand Aug. 8 well prepared to defend himself under questioning from members of the Senate War Investigating Subcommittee. The pile of paper contains statements, files, and clippings for use as reference. Credit (ACME) 8/8/47."

Howard Hughes standing by the XF-11 the day before his second test run on the plane.

Description given with photo: "Spotlight in Washington, Washington: Howard Hughes (left foreground) smiling faces battery of cameras before starting his testimony at Senate War Investigating Subcommittee's hearing on his wartime plane contracts. The room, normally seating about 300, was pack with 1,000 spectators. Credit (ACME) 8-7-47."

Howard Hughes (standing) on the set of the motion picture, "The Outlaw." The movie set resembles the interior of a stable. Three unidentified crew members work on the set.

Description given with photo: "Cogitation Concentration Jubilation, Washington, D.C. - Three interesting studies of plane-builder, movie-maker and headline-maker Howard Hughes as he returned to the witness stand before the Senate War Investigating Committee today to answer questions relating to his wartime plane-building contracts. During his testimony today, Hughes said he wishes to absolve shipbuilder Henry Kaiser from any criticism in connection with the 200-ton flying boat that is one of the issues in the current probe. Photograph by G.B. Kress. 8/8/47."

Howard Hughes is seen sitting in the cockpit of the second XF-11 prototype, April 4, 1947.