Description printed on photograph's accompanying sheet of paper: "Group at [Gover] Whalen's home 7/14/38. (Daily News)." Howard Hughes is standing third from the left.
Transcribed from back of photo: "Howard Hughes (in cockpit) warms up the XF-11 for its initial test flight. It is one of the world's fastest long-range photographic planes, July 7, 1946."