Staff Sgt. practices ascending a four-story vertical wall

Staff Sgt. William Coleman, 96th Civil Engineer Squadron, practices ascending a four-story vertical wall as part of the rescue technician course Jan. 16, 2020, at Eglin Air Force Base, Fla. The Department of Defense Fire Academy course provides hands-on high elevation rescue, rappelling and moving in confined spaces training for firefighters. (U.S. Air Force photo by Samuel King Jr.)