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."

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.

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

The black and white view of Howard Hughes in Minneapolis, Minnesota. Description printed on photograph's accompanying sheet of paper: "World flyers stop at St. Paul--Minneapolis, Minn-- Howard Hughes, wealthy sportsman flyer, is shown facing camera as he was interviewed by reporters during his brief stop at the twin cities en route to New York, where he completed the trip in record time. Credit Line (ACME) 7/15/38."

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.