Members of the 436th Airlift Wing staff participate in the 9/11 Remembrance Ruck March on Dover Air Force Base, Delaware, Sept. 10, 2021. Units from Team Dover rucked in 30-minute increments for more than 25 hours, remembering and honoring those who perished in the attacks on Sept. 11, 2001. (U.S. Air Force photo by Roland Balik)