Master Sgt. Ashley Daniel, 436th Security Forces Squadron installation security manager, holds the U.S. flag during the 9/11 Remembrance Ruck March on Dover Air Force Base, Delaware, Sept. 10, 2021. Daniel, as well as other Team Dover members, 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)