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NASA Boeing 747, Dryden history gallery

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NASA Boeing 747, Dryden history gallery

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ECN-4245 Two chase aircraft, a Learjet and a Cessna T-37, are shown in formation with a Boeing B-747 jetliner in this 1974 NASA Flight Research Center (FRC) photograph. The two chase aircraft were used to probe the trailing wake vortices generated by the airflow around the wings of the B-747 aircraft. The vortex trails were made visible by smoke generators mounted under the wings of the B-747 aircraft. September 20, 1974 NASA Photo / NASA B-747 Project Description
NASA Identifier: 302683main_ECN-4245

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1974
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Defense Visual Information Distribution Service
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