Firefighters from the 4th Civil Engineer Squadron traverse down stairs during a training exercise, Jan. 10, 2017, at Seymour Johnson Air Force Base, North Carolina. Both firefighters wore special masks to simulate black out conditions during a fire emergency.

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Size: 1156px × 1731px
Photo credit: © Chuck Little / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 4, af, air, america, archive, armed, army, ces, defence, firefighter, force, forces, johnson, military, navy, reportage, service, serviceman, servicemen, seymour, simulation, sjafb, soldier, states, training, united, usa, usaf