Howard Hughes (in white shirt) supervises construction of the Hughes D-2 at the Hughes Aircraft Company. in Culver City, California. The D-2 was the prototype of the XF-11.
Back of the postcard. Some of the wording is not readable. It looks like the postcard was sent to a woman, Miss Stewart of California, from Paul Smith.
Description printed on photograph's accompanying strip of paper: Howard Hughes being carried ashore after arrival in amphibian airplane at U.S. Coast Guard Station, Jamaica Bay, B.W.I.