L-R: Rea Hopper, Director of the Aeronautical Division, Hughes Aircraft Company; Howard Hughes; Clyde Jones, Director of Engineering, Hughes Tool Company Aeronautical Division; Warren Reed, Assistant; Col. Carl E. Jackson, Air Research and Development Headquarters, Baltimore; Gale J. Moore, pilot; and unidentified pilot in front of the experimental helicopter XH-17 Flying Crane on October 23, 1952. This was one of Hughes' last public appearances.

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). The presentation slide reads, "Total announced tests and radiation measured off the test range complex. Total above-ground tests = 126. Total sub0surface tests = 413. Total tests = 539. Number measured off the test range complex of above-ground tests = 89. Number measured off the test range complex of sub-surface tests = 40. Total number measured off the test range complex = 129."