200205-N-UA321-1003 PORTSMOUTH, Va. (Feb. 5, 2020) Naval Support Activity Hampton Roads Security Forces conducts an Alarm Response and Hostage Barricaded Suspect Drill on at Portsmouth Annex as part of the Citadel Shield-Solid Curtain Exercise 2020 (CS-SC 20). CS-SC 20 is a two-part, anti-terrorism force protection exercise that is being conducted nationwide on Navy installations Feb. 3-14. The annual exercise is not in response to any specific threat but is used to evaluate the readiness of fleet and installation security programs. (U.S. Navy Photo by Musician Seaman Elizabeth Wetzel/Released)