Howard Hughes prior to test-piloting the second XF-11 prototype, a duplicate of the plane which crashed on July 7 the previous year.

The black and white view of the Lockheed 14 aircraft in Minneapolis, Minnesota. Description written on back of photograph: "World-fame drops on City out of blue, sunny skies: Fame came to the municipal airport and the city of Minneapolis in a flash of silver and a roar at 7:38 am, July 14, 1938 when Howard Hughes swooped to Earth in his Droning Silver Bullet on his record breaking round-the-world flight. Photo-courtesy "The Minneapolis Star" Board of Park Commissions. 325 City Hall Minneapolis Minn."

A view of the construction of Howard Hughes' Hercules in California.

The black and white view of the Lockheed 14 aircraft taking off on a part of Howard Hughes' Around the World flight. Typed onto a piece of paper attached to the image: "The Howard Hughes plane taking off from Minneapolis on their way to New York to complete a round the world flight."

Typed onto a piece of paper attached to the image: "Howard Hughes (second from left) surrounded by newspapermen in Los Angeles and telling them about his Round-The-World flight. 8/1/38. (Press Association)."