Brad Voorhees, 22nd Civil Engineer Squadron lead firefighter, uses a chainsaw to cut a hole in the roof of a vacant house during a training exercise April 6, 2017, in base housing at McConnell Air Force Base, Kan. Vertical ventilation is a method used during structural firefighting.

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Photo credit: © Chuck Little / Alamy / Afripics
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Keywords: 22nd, air, america, archive, armed, army, civil, defence, engineer, exercise, firefighters, force, forces, military, navy, reportage, service, serviceman, servicemen, soldier, squadron, states, training, united, usa