A simulated casualty lies on the ground Feb. 27, 2014, during a vehicle-borne improvised explosive device response exercise as part of Solid Curtain-Citadel Shield (SC-CS) 2014 at Naval Station Norfolk, Va. The SC-CS is an annual exercise designed to enhance the training and readiness of U.S. Navy security forces to respond to threats to installations and units. (U.S. Navy photo by Mass Communication Specialist 3rd Class Andrew Schneider/Released)