C-5M Ground Training Event
Staff Sgt. Lance Nabors, 730th Air Mobility Squadron aircraft hydraulic systems craftsman, looks over the valve controls of a nitrogen servicing truck to be used as part of a C-5M Super Galaxy ground training event at Yokota Air Base Japan, Sept. 17, 2021. The C-5M uses nitrogen for fire suppression in care of an emergency. Nitrogen is a cold, inert gas that works to put out fires by displacing oxygen from most fire types, effectively smothering flames before they can overtake an aircraft. (U.S. Air Force photo by Staff Sgt. Ryan Lackey)

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Photo by: Staff Sgt. Ryan Lackey |  VIRIN: 210916-F-HU835-1044.JPG