200205-N-DA087-003 CRANE, Ind. (Feb. 5, 2020) A Naval Support Activity Crane explosive ordnance disposal technician walks toward a mock improvised explosive device during a drill as part of Citadel Shield-Solid Curtain, Feb. 5, 2020. The exercise 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 Jeff M. Nagan/Released)