NORFOLK (March 22, 2012) Sailors and members of Navy Region Mid-Atlantic Fire and Emergency Service participate in a simulated improvised explosive device drill as part of Exercise Solid Curtain and Citadel Shield 2012. The anti-terrorism force protection exercise is being conducted on naval bases and installations throughout the continental United States March 19-24. (U.S. Navy photo by Mass Communication Specialist 2nd Class John Hulle/released)
