Air Force Staff Sgt. Nesta Gross, 325th Civil Engineer Squadron firefighter, exercises at Tyndall Air Force Base, Florida, July 28, 2021. Physical fitness is a key aspect for a firefighter due to the extreme demands of the job.

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Photo credit: © Operation 2021 / Alamy / Afripics
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Keywords: ces, exercise, firefighter, physical, training, tyndall