Seaman Apprentice Morgan Garman, left, and Seaman Apprentice Emmanuel Mirich-Howard, right, guard possible entry ways into the victim holding area during an active-shooter exercise at Naval Station Guantanamo Bay, Cuba, Nov. 13. NAVSTA has an emergency response team on-call prepared for situations at all times. (U.S. Army photo by Spc. Amber Bohlman/Released)