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: "Flying Boat Put To Test - San Pedro, Calif. : Howard Hughes pilots his much-publicized flying boat on the first of a series of taxi runs in Los Angeles harbor on November 2nd. Shortly afterward, the millionaire plane builder took the giant ship up on a surprise half-mile flight. Credit Line (ACME) 11/04/47."

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: "Testify On Behalf Of Hughes, Washington: Four of the nine witnesses summoned before the Senate War Investigating Subcommittee to testify on behalf of Howard Hughes stand behind the plane builder (seated, right) and his attorney, Thomas A. Slack (seated, left), November 8. they are (left to right) John B. Parkinson, listed as representative of the national Advisory Committee for Aeronautics; Edward Schwartz, listed as a former member of the Air Force Evaluation Boar; E. A. Peterman, and Glen Odekirk, an executive of the Hughes' Plant. Credit (ACME) 11/08/47."

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."

Description given with photo: "Howard Hughes Carries His Lunch Tray Cafeteria Style - Washington, D.C. Howard Hughes is shown selecting his luncheon cafeteria style during a short recess of the Senate investigation of his wartime plane contracts. Along with Thomas A. Slack, his counsel, the millionaire plane builder had his luncheon in the cafeteria of the Senate office building, while Senator Homer Ferguson, (R) Michigan the Sub-Committee Chairman, called the recess due to the absence of the witnesses summoned to the inquiry at Hughes' request. 11/8/47."

Description given with photo: "Howard Hughes Carries His Lunch Tray Cafeteria Style - Washington, D.C. Howard Hughes is shown selecting his luncheon cafeteria style during a short recess of the Senate investigation of his wartime plane contracts. Along with Thomas A. Slack, his counsel, the millionaire plane builder had his luncheon in the cafeteria of the Senate office building, while Senator Homer Ferguson, (R) Michigan the Sub-Committee Chairman, called the recess due to the absence of the witnesses summoned to the inquiry at Hughes' request. 11/8/47." Hand-written description also written on back of photo: "Howard Hughes & Atty. Thomas Slack."