Seventeen Navy planes landed at the airport in Boulder City, Nevada, "B.D.R.A. Jan. 22, 1938."

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). The slide reads: "Comparison of the cumulative estimated dose with diagnostic x-rays 1951 to 1958.

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). 

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). 

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). 

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.

Description printed on photograph's accompanying sheet of paper: "Hughes waves to cheering million. New York City--- Clean-shaven once more, Howard Hughes smiles his gratitude to the millions of New Yorkers who showered him with ticker-tape and torn paper--New York's own accolade, as paraded up Broadway, followed by his companions in the carbehind in the greatest reception since Lindbergh's. On the left is Grover Whalen, head of the New York World's Fair, 1939, and on the right, Al Lodwick, manager of the round-the-world record smashing flight. Credit Line (ACME) 7/15/38."