Luke Airmen participate in 9/11 Tower Challenge

Brig. Gen. Gregory Kreuder, 56th Fighter Wing commander, gives a speech at the 9/11 Tower Challenge at the Gila River Arena Sept. 11, 2021, in Glendale, Ariz. More than 1,500 participants attended the event including civilians, active-duty and reserve military personnel, veterans, firefighters and first responders. Participants walked up and down stadium stairs representing the 110 flights of stairs climbed by New York City firefighters during the attacks on the World Trade Center and in honor of those who lost their lives. (Air Force photograph by Senior Airman David Busby)
Participants of the 9/11 Tower Challenge walk up and down the steps at Gila River Arena Sept. 11, 2021, in Glendale, Ariz. Photos and descriptions of the fallen were placed in various seats throughout the arena to honor their memory. Participants walked up and down stadium stairs representing the 110 flights of stairs climbed by New York City firefighters during the attacks on the World Trade Center and in honor of those who lost their lives. (Air Force photograph by Senior Airman David Busby)
Participants of the 9/11 Tower Challenge walk up and down the steps at Gila River Arena Sept. 11, 2021, Glendale, Ariz. (Air Force photograph by Senior Airman David Busby)
Firefighters prepare for the 9/11 Tower Challenge at Gila River Arena Sept. 11, 2021 in Glendale, Ariz. Firefighters wore their uniforms to recognize the first responders that risked their lives during the terrorist attacks 20 years ago. Participants walked up and down stadium stairs representing the 110 flights of stairs climbed by New York City firefighters during the attacks on the World Trade Center and in honor of those who lost their lives. (Air Force photograph by Senior Airman David Busby)

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