BETHESDA, Maryland (Feb. 5, 2020) U.S. Navy Master-at-Arms

BETHESDA, Maryland (Feb. 5, 2020) U.S. Navy Master-at-Arms 2nd Class Nicholas Wassel, center, maintains sight line of a vehicle with an improvised explosive device at Naval Support Activity Bethesda's Gate 5 during a drill as part of Citadel Shield-Solid Curtain 2020. CS-SC is a two-part, anti-terrorism force protection exercise being conducted on installations nationwide, Feb. 3-14. The annual exercise is not in response to any specific threat, but is used to evaluate the readiness of the fleet and installation security programs. (U.S. Navy photo by Mass Communication Specialist 2nd Class Julio Martinez Martinez)