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."
A section of Howard Hughes' "Spruce Goose" or "Flying Boat" being moved (with a police escort) from the Hughes Aircraft plant in Culver City, California to Terminal Island in the Los Angeles Harbor where the plane was assembled in June of 1946.