Howard Hughes warming up the first XF-11 prototype.

The black and white view of Howard Hughes, surrounded by crowds, after landing his Lockheed 14 aircraft for the Around the World flight at Floyd Bennett Airfield in New York. Description printed on photograph's accompanying sheet of paper: "Howard Hughes at Floyd Bennett Field after his round the world flight, 7-14-38. (Press Association)"

Typed onto a piece of paper attached to the image: "Howard Hughes in center leaves Newark Airport with party enroute to Washington, D.C. 7/21/38."

Typed onto a piece of paper given with the image: "Hughes' Plane Over Los Angeles, Cal. -- The world-girdling plane of Howard Hughes pictured from an American Airlines plane as it flew over Los Angeles as Hughes and four companions on the record-breaking flight arrive at Los Angeles for the ovation accorded them by proud Southern Californians. The Los Angeles City Hall is in the background. Credit Line (ACME) 8/2/38 NY

A view of the inside fuselage of Howard Hughes' Flying Boat in Long Beach, California. Image taken from the forward section.

A view of the inside fuselage of Howard Hughes' Flying Boat in Long Beach, California. Image taken from the forward section.

The Hughes HK-1 Flying Boat under construction on Terminal Island in the Los Angeles Harbor before its test run.