The black and white, aerial view of Howard Hughes' Lockheed 14 aircraft performing its final landing on the Round the World flight at Floyd Bennett Airport, New York. Typed onto a piece of paper attached to the image: "Journey's End for World Fliers! Floyd Bennett Airport, N. Y. ---- The "World's Fair 1939.," Howard Hughes' silver monoplane, shown on the ground just after it landed here, concluding an amazing globe-girdling flight in total elapsed time of 3 days, 19 hours, 10 seconds. A crowd of officials surround the plane. Credit Line (ACME) 7/14/38."

Howard Hughes (wearing hat) receives congratulations from Mayor Fiorello La Guardia at Floyd Bennett Airport in Brooklyn. The gentleman wearing a polka dot bow tie, standing behind the mayor is Grover Whalen. Mr. Whalen was president of the 1939 New York World's Fair.

From the Nan Doughty Photograph Collection (PH-00240)

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). The presentation slide lists the steps required to conduct atmospheric and underground bomb tests. 

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). The presentation slide title reads, "Underground nuclear test execution sequence"

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). The presentation slide title reads, "Comparative Radiation Exposures"