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."
Narrator affiliation: Physicist, First director, Lawrence Livermore Laboratory; Arms control negotiator; Director, Defense Dept. Research and Engineering
Narrator affiliation: Physicist, First director, Lawrence Livermore Laboratory; Arms control negotiator; Director, Defense Dept. Research and Engineering