Air Force Tech. Sgt. David Brady, 6th Civil Engineer Squadron health and safety officer, participates in a stairwell climb at MacDill Air Force Base, Florida, Sept. 9, 2022. The stairwell climb simulated the ascension of 110 floors in remembrance of the first responders who lost their lives on 9/11. The event began at 8:46 AM, the same time the North Tower of the World Trade Center was hit.

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Photo credit: © Operation 2022 / Alamy / Afripics
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Keywords: 911, firefighter, firefighters, hero, patriotic