Transcribed from attached press release: "Howard Hughes, right, noted aircraft designer and industrialist is shown for the first time on the flight deck of the famed Hughes flying boat, which he designed and built. It is the largest airplane in the world. The plane is now nearing completion on Terminal Island, in Los Angeles-Long Bay Harbor, May 12, 1947." Los Angeles Harbor is now known as Long Beach Harbor, California.
A section of Howard Hughes' 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. Date stamped on back of photo.