Description given with photo: "Flying Boat Put To Test - San Pedro, Calif. : Howard Hughes pilots his much-publicized flying boat on the first of a series of taxi runs in Los Angeles harbor on November 2nd. Shortly afterward, the millionaire plane builder took the giant ship up on a surprise half-mile flight. Credit Line (ACME) 11/04/47."
Transcribed from press release attached to photo: "HUGHES READY FOR TAKE-OFF IN SECOND XF-11 FLIGHT. CULVER CITY, Calif., April 5 -- Howard Hughes, famed flier-industrialist, recovered from injuries following crash last July 7, is shown here just before he test-piloted today a duplicate of the plane in which he nearly lost his life. He designed and built the plane, designated XF-11, and one of the world's fastest photo-reconnaissance ships, for the Army Air Forces in conjunction with the Air Materiel Command engineers.
President Roosevelt presenting the Harmon Trophy to Howard Hughes in the Oval Office in Washington D.C. From left to right, the men seen standing in the image include: Albert Lodwick; Howard Hughes; James Monroe Johnson, Assistant Secretary of Commerce; Major General Oscar Westover; President Franklin D. Roosevelt; and Arthur B. Cook.
Howard Hughes inspecting the equipment on the flight deck inside of the HK-1, Hughes Flying Boat, which he designed and built. The man pictured behind Hughes is possibly Earl Martyn, Hughes' flight engineer. The Flying Boat was near completion and was located on Terminal Island in the Los Angeles Harbor.