A view of Grover Whalen, Howard Hughes, and Al Lodwick riding in the back of an automobile during a parade procession.

Typed onto a piece of paper attached to the image: "As Hughes Visited Washington To Thank Cordell Hull, Washing, D. C. -- Police escorting Howard Hughes holding hat, through the admiring throungs at the Washington Airport as the intrepid flyer and his four companions on his Round-The-World flight came to the Capital, July 21st, to personally thank Secretary of State Cordell Hull for his cooperation in clearing their take-offs on their flight. Credit Line (ACME) 7/21/38."

A view of Howard Hughes installing a radar safety system for passenger planes in Culver City, California.

A view of Howard Hughes installing a radar safety system for passenger planes in Culver City, California.

Typed onto a piece of paper attached to the image: "New York hails heroes of World Flight, New York City --- In the greatest reception since Lindbergh's, Howard Hughes and his gallant companions paraded up Broadway today, almost smothered beneath New York's ticker-tape accolade recognizing their record-smashing world dash. Here's Hughes, (center back, seat), gazing up the tons of torn paper fluttering down on him and his comrades, following in the car behind. Beside Hughes on the left is Grover Whalen, head of the New York World's Fair, 1939. Credit Line (ACME) 7/15/38."

A view of Howard Hughes' Hercules traveling down a street in Culver City, California.

Description given with photograph: "Howard Hughes after landing in New York after a high altitude flight from Los Angeles during which he tested a new two-ounce oxygen mask. With him were (L to R): Charles Perrine, Glenn Odekirk, and Harry Connor."