Maintaining the aircraft’s heartbeat
Airman 1st Class Garrett Busler, 9th Maintenance Squadron aircraft fuels systems technician, removes a bolt on U-2 Dragon Lady before they begin the defueling process March 1, 2017, at Beale Air Force Base, California. Aircraft fuels systems technicians perform scheduled and unscheduled maintenance on fuel components. (U.S. Air Force photo/Airman Tristan D. Viglianco)

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Photo by: Airman Tristan D. Viglianco |  VIRIN: 170301-F-ZH169-067.JPG