Howard Hughes (left) on the set of The Outlaw.

Description given with photo: "Howard Hughes Leaves In Own Plane For Investigation, Los Angeles, California - Howard Hughes is pictured as he was about to step abroad his private B-23 Transport plane just before his take-off for Washington, D.C., where he will appear before the Senate War Investigation Committee to testify about wartime plane contracts. The millionaire flier took with him an armload of records and other data he will use in testifying. His only companions on the flight were several mechanics. Photo by Al Brett. 8-6-47."

A view of Howard Hughes' Hercules being assembled in Long Beach, California.

A view of Howard Hughes' Hercules being assembled in Long Beach, California.

Description given with photo: "Hughes Submits Written Question, Washington: Howard Hughes tosses a written question to Sen. Homer Ferguson, chairman of the Senate War Investigation sub-committee, Nov. 8. Hughes was refused permission to take the stand and charged Ferguson was "throwing every obstacle" in the way of presenting testimony favorable to Hughes himself. On Ferguson's right is Sen. Carl Hatch, while the committee's chief counsel, William P. Rigers, faces the camera in the background. Credit (ACME) 11/9/47."

A view of the back of one of Howard Hughes's planes, possibly the Boeing Stratoliner.