DIEGO GARCIA, British Indian Ocean Territory (Sep. 10, 2021) Hospital Corpsman Seaman Anthony Tennison, assigned to the Navy Medicine and Readiness Training Unit Diego Garcia, pulls the U.S. flag to half-mast during a 9/11 ceremony Sep. 10, 2021. The ceremony is held to honor those who lost their lives in the terrorist attack on Sep. 11, 2001. (U.S. Navy Photo by Mass Communication Specialist 3rd Class Stevin C. Atkins)