180131-N-GH869-112 WASHINGTON (Jan. 31, 2018) Naval Support Activity Washington's Naval Security Force establish an Incident Command Post during a complex Integrated Training Team exercise at the Washington Navy Yard. This was part of an annual two-part, linked Anti-Terrorism Force Protection exercise Citadel Shield- Solid Curtain.(U.S. Navy photo by Petty Officer 2nd Class Christina Walker/Released)