Description given with photo: "Hughes At Controls Of Sky Giant For Taxi Tests - Long Beach, Cal. : Howard Hughes, millionaire plane builder, flyer and movie maker, is shown at the controls of the world's largest flying boat prior to taking the 400,000-pound craft out for taxi tests on Los Angeles Harbor. The plane, which figured in the Senate investigation of Hughes' wartime activities last summer, is 219 feet long with a wingspan of 320 feet. It was launched today, but will not be air tested until next spring. Shortly after this photo was made it was announced that taxi tests had been postponed. 11/1/47."

Description given with photo: "Howard Hughes Interviewed By Newsmen After Flight - Terminal Island, Calif. : Photo shows Howard Hughes surrounded by radio interviewers, reporters, and well-wishers after he tested his flying boat the "HK-1" in Los Angeles harbor. He surprised onlookers by taking the huge 200-ton seaplane into the air for a mile flight at the altitude of 70 feet, with a speed of 100 M.P.H, then landing the craft with a very safe landing. Photo by Al Monteverge. 1-03-47."

Description given with photo: "Hughes Required To Submit Questions At Inquiry In Writing, Washington, D.C. --- The sub-committee investigating the Hughes War Time plane contracts, ruled today that a standing committee rule would be effective in requiring that questions must be put in writing, and presented to the committee thru counsel of the principals involved. here, Sen. Homer Ferguson, R., of Mich. Chairman of the subcommittee is shown receiving a written question from Howard Hughes the millionaire plane builder, to be put to one of the witnesses summoned to the inquiry at Hughes' request. INP Photo by G.B. Kress. 11/8/47." Also hand written on the back of the photo: "Howard Hughes and Sen. Claude Pepper 11/8/47."