Gary Langstaff completes a pre-flight maintenance inspection on the main rotor assembly of a UH-1N "Huey" helicopter assigned to the 36th Rescue Flight based at Fairchild Air Force Base, Wash. Mr. Langstaff, who served 10 years as a UH-1 crew chief in the U.S. Army, is contracted through Sikorsky Support Services, Inc. to provide on-site maintenance service for the flight's missions. (U.S. Air Force photo by Staff Sgt. Matthew Rosine)
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