Picture of Grover Whalen, Howard Hughes, and Al Lodwick riding in the back of an automobile during a parade celebrating Howard Hughes' completion of his round-the-world flight.

A view of Grover Whalen, Howard Hughes, and Al Lodwick riding in the back of an automobile during a parade celebrating Howard Hughes' completion of his round-the-world flight.

A picture of the crowd at a parade celebrating the completion of Howard Hughes' round the world flight. Typed onto a piece of paper attached to the image: "Parade - 7/15/38."

Photograph of Grover Whalen, Howard Hughes, and Al Lodwick during a parade procession for the completion of Hughes' Round-the-World flight. Typed onto a piece of paper attached to the image: "Howard Hughes riding up Broadway - waving to throngs. 7/15/38."

A back view of Howard Hughes Grover Whalen, and Al Lodwick riding in the back of an automobile and a crowd consisting of thousands of people who attended a parade that celebrated Howard Hughes completion of his flight round-the-world flight in New York City.

A view of a crowd consisting of thousands of people who attended a parade that celebrated Howard Hughes' completion of his flight Round-the-World in New York City.

Aerial view of Hughes HK-1, Flying Boat. The plane was designed and built by Howard Hughes; it it shown near completion at its graving dock at Terminal Island in the Los Angeles Harbor. Transcribed from note on back of photo: "World's largest airplane--After Ground tests here the plane will undergo extensive water-taxi tests."