Members of the 433rd Civil Engineer Squadron participate in a 9/11 memorial stair climb at Joint Base San Antonio-Lackland, Texas, Sept. 11, 2022. The 433rd CES performs a stair climb every year to commemorate the 110 flights of stairs first responders had to climb inside the World Trade Center on Sept. 11, 2001. (U.S. Air Force photo by Staff Sgt. Adriana Barrientos)

Airman 1st Class Thomas Rose, 433rd Civil Engineer Squadron fire department fire protection helper, participates in a 9/11 memorial stair climb at Joint Base San Antonio-Lackland, Texas, Sept.11, 2022. The 433rd CES performs a stair climb every year to commemorate the 110 flights of stairs first responders had to climb inside the World Trade Center on Sept. 11, 2001. (U.S. Air Force photo by Staff Sgt. Adriana Barrientos)

Members of the 433rd Civil Engineer Squadron participate in a 9/11 memorial stair climb at Joint Base San Antonio-Lackland, Texas, Sept. 11, 2022. The 433rd CES performs a stair climb every year to commemorate the 110 flights of stairs first responders had to climb inside the World Trade Center on Sept. 11, 2001. (U.S. Air Force photo by Staff Sgt. Adriana Barrientos)

Tech. Sgt. Rachel Kane, 433rd Civil Engineer Squadron emergency management noncommissioned officer in charge, carries the guidon for the 9/11 memorial stair climb at Joint Base San Antonio-Lackland, Texas, Sept.11, 2022. The 433rd CES performs a stair climb every year to commemorate the 110 flights of stairs first responders had to climb inside the World Trade Center on Sept. 11, 2001. (U.S. Air Force photo by Staff Sgt. Adriana Barrientos)

Staff Sgt. Brad Hanks, 433rd Civil Engineer Squadron explosive ordnance disposal bomb technician, passes the guidon to Tech. Sgt. Rachel Kane, 433rd CES emergency management noncommissioned officer in charge, during the 9/11 memorial stair climb at Joint Base San Antonio-Lackland, Texas, Sept.11, 2022. The 433rd CES performs a stair climb every year to commemorate the 110 flights of stairs first responders had to climb inside the World Trade Center on Sept. 11, 2001. (U.S. Air Force photo by Staff Sgt. Adriana Barrientos)

Maj. Leigh Barker, 433rd Civil Engineer Squadron commander, fist bumps Staff Sgt. Seth Lemountain, 433rd CES explosive ordnance disposal bomb technician, during the 9/11 memorial stair climb at Joint Base San Antonio-Lackland, Texas, Sept.11, 2022. The 433rd CES performs a stair climb every year to commemorate the 110 flights of stairs first responders had to climb inside the World Trade Center on Sept. 11, 2001. (U.S. Air Force photo by Staff Sgt. Adriana Barrientos)

Members of the 433rd Civil Engineer Squadron participate in a 9/11 memorial stair climb at Joint Base San Antonio-Lackland, Texas, Sept. 11, 2022. The 433rd CES performs a stair climb every year to commemorate the 110 flights of stairs first responders had to climb inside the World Trade Center on Sept. 11, 2001. (U.S. Air Force photo by Staff Sgt. Adriana Barrientos)

Tech. Sgt. Rachel Kane, 433rd Civil Engineer Squadron emergency management noncommissioned officer in charge, participates in a 9/11 memorial stair climb at Joint Base San Antonio-Lackland, Texas, Sept.11, 2022. The 433rd CES performs a stair climb every year to commemorate the 110 flights of stairs first responders had to climb inside the World Trade Center on Sept. 11, 2001. (U.S. Air Force photo by Staff Sgt. Adriana Barrientos)

Staff Sgt. Edward Rodriguez, 433rd Civil Engineer Squadron explosive ordnance disposal bomb technician, participates in a 9/11 memorial stair climb at Joint Base San Antonio-Lackland, Texas, Sept.11, 2022. The 433rd CES performs a stair climb every year to commemorate the 110 flights of stairs first responders had to climb inside the World Trade Center on Sept. 11, 2001. (U.S. Air Force photo by Staff Sgt. Adriana Barrientos)

Members from the 433rd Civil Engineer Squadron participate in a 9/11 memorial stair climb at Joint Base San Antonio-Lackland, Texas, Sept. 11, 2022. The 433rd CES performs a stair climb every year to commemorate the 110 flights of stairs first responders had to climb inside the World Trade Center on Sept. 11, 2001. (U.S. Air Force photo by Staff Sgt. Adriana Barrientos)