Firefighters from the 18th Civil Engineer Squadron stand at ease before the Kadena Fire Emergency Services 9/11 Memorial Stair Climb Sept. 11, 2018, at Kadena Air Base, Japan. The event was held to honor the sacrifices 417 first responders made during the Sept. 11, 2001, terrorist attacks at the World Trade Center in N.Y. (U.S. Air Force photo by Staff Sgt. Micaiah Anthony)