An overhead view of a parade procession celebrating Howard Hughes' completion of his round-the-world flight.

An overhead view of a parade procession celebrating Howard Hughes' completion of his round-the-world flight.

Howard Hughes standing under the propeller of a Douglas DC-3.

Description printed on back of photograph: "As Hughes and his crew thanked Hull for cooperation Washington, D. C.-- Howard Hughes and his intrepid companions are shown here as they visited the State Department, July 21st, to thank Secretary Cordell Hull for cooperation on their round-the-world flight. Left to right: Richard Stoddart, Thomas Thurlow, Howard Hughes, Secretary of State Cordell Hull and Harry Connor. Credit Line (ACME) 7/21/38."

A view looking down Broadway during the parade procession to celebrate Howard Hughes' completion of his round-the-world flight.

A view looking down Broadway during the parade procession to celebrate Howard Hughes' completion of his round-the-world flight.

Typed onto a piece of paper attached to the image: "Crowd Greets Hughes On Arrival In Capital, Washington D.C. -- Howard Hughes and his companions came to Washington July 21, to personally thank Secretary of State Cordell Hull for the State Department's co-operation on their record world flight, and incidentally to be feted at a luncheon of the Press Club. The photo shows Hughes, in park suit and black hat, as he was led through a huge crowd on his arrival at the Washington Airport. Credit Line (ACME) 7/21/38 (NY FOR)."