Fuels technician replaces fuel cell
Staff Sgt. Tiffany Fairbanks, 302nd Maintenance Squadron fuel systems specialist, applies grease to a personnel door opening of an auxiliary fuel cell belonging to a C-130 aircraft July 11, 2020, at Peterson Air Force Base, Colorado. The grease is necessary to fit a flexible rubber ring into a small track inside of the doorway, creating an airtight seal when the doorway cover is secured onto the fuel cell. (U.S. Air Force photo by Staff Sgt. Justin Norton)

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Photo by: Staff Sgt. Justin Norton |  VIRIN: 200711-F-ZJ473-1999.JPG