Engine shop mechanics of Marine Aircraft Group 12 carefully guide a jet power plant onto the test stand in Vietnam, 1967. The engine will be revved up to its maximum rpm to detect any malfunctions. Gauges attached to the engine monitor its vital points. Defense Department photo (Marine Corps).

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Size: 3308px × 2121px
Photo credit: © piemags/NBV / Alamy / Afripics
License: Licensed
Model Released: No

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