Seaman Zachary Reasinger clears the lower level of the weapons department while Petty Officer 3rd Class Jake Wilson calls up to higher after making contact with the shooters during an exercise at Naval Station Guantanamo Bay, Cuba, Nov. 13. Valiant Sentinel was a three-day event that tested Guantanamo Bay's defenses against anti-terrorism threats. (U.S. Army photo by Spc. Amber Bohlman/Released)