GULFPORT, Miss. (Feb. 8, 2024) Personnel assigned to Naval Construction Battalion Center Gulfport security forces participate in an active shooter drill during Citadel Shield-Solid Curtain 2024. CS-SC24 is an annual force protection exercise that ensures U.S. Navy security forces maintain peak readiness to respond to changing and dynamic threats. (U.S. Navy photo by Mass Communication Specialist 1st Class Derek Harkins/Released)