Navy installations participate in security exercises

Sailors respond to a simulated active shooter scenario during a drill onboard Naval Station Great Lakes, as part of Exercise Citadel Shield-Solid Curtain 2020, Feb. 4. Exercise Citadel Shield-Solid Curtain 2020 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 the fleet and installation security. (This photo has been altered by blurring out license plates for security purposes.)