Description given with photograph: "Howard Hughes tests the Hughes plane. Seattle--Howard Hughes (right), millionaire aviation enthusiast and record holder, shown with Edmund T. Allen, Boeing test engineer, before they made a recent test flight in a Boeing-built Stratoliner. The huge machine was equipped with extra fuel tanks for the test. Hughes did not reveal the reasons for his interest in the four-motored, 30 passenger plane, designed for substratosphere flight."
Typed onto a piece of paper attached to the image: "Howard Hughes (second from left) surrounded by newspapermen in Los Angeles and telling them about his Round-The-World flight. 8/1/38. (Press Association)."