Howard Hughes (left) Noah Dietrich at a Hughes Tool Company celebration in Houston, Texas in 1939.

The black and white view of Howard Hughes in Minneapolis, Minnesota. Description printed on photograph's accompanying sheet of paper: "Howard Hughes at Minneapolis to refuel before leaving for Floyd Bennett Field to complete a round the world flight."

The black and white view of unidentified people surrounding the Lockheed 14 aircraft. Typed on a piece of paper attached to the image: "Rolling Howard Hughes' plane out of hangar at Floyd Bennett Field, with Lt. Thomas Thurlow, one of the navigators, calibrating the compass. 7/9/38."

The black and white view of Howard Hughes in Minneapolis, Minnesota. Description printed on photograph's accompanying strip of paper: "Howard Hughes as he waited for refueling at Minneapolis before starting his home stretch flight to Floyd Bennett Field to complete round the world flight."

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."