Master Sgt. Aaron Stamey, 379th AEW Protocol superintendent, participates in a 9/11 Remembrance Walk, Sept. 11, 2020, at Al Udeid Air Base, Qatar. On Sept. 11, 2001, a series of four attacks coordinated by the terrorist group al-Qaeda against the United States resulted in the deaths of 2,977 people and injured more than 25,000. (U.S. Air Force photo by Tech. Sgt. Michael Battles)