From the Howard Cannon Photograph Collection (PH-00192). The photo shows Howard Cannon, a member of the Senate Space and Armed Services Committee with General Bernard Schriever, Head of Air Research and Development.
Description given with photo: "Float Hughes Flying Boat, San Pedro, Calif.: Water pours into Howard Hughes' mammoth drydock as the millionaire plane builder prepares to float his giant plywood flying boat on November 1st. The nose of the 200-ton craft can be seen at right. In upper right are three of the four right wind engines. Credit Line (ACME) 11/04/47."