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Photos

Snapshots of what’s happening in the Defense Department.

Air National Guard Staff Sgt. Adam Heckmann, right, and Air Force Master Sgt. Michael Wilson service the liquid oxygen on an F-15 Eagle aircraft before participating in Red Flag 17-1 at Nellis Air Force Base, Nev., Jan. 21, 2017. The liquid oxygen converts from liquid to gas to supply the pilot with breathable air. Air National Guard photo by Master Sgt. William J. Buchanan

Liquid Oxygen

Air National Guard Staff Sgt. Adam Heckmann, right, and Air Force Master Sgt. Michael Wilson service the liquid oxygen on an F-15 Eagle aircraft before participating in Red Flag 17-1 at Nellis Air Force Base, Nev., Jan. 21, 2017. The liquid oxygen converts from liquid to gas to supply the pilot with breathable air. Air National Guard photo by Master Sgt. William J. Buchanan

Photo Gallery