Lt. Col. John L. Hudson, U.S. Army Corps of Engineers Nashville District commander, (Left) discusses movements with Brigadier General Jeff Holmes, Assistant Adjutant General, Army Deputy Chief of Engineers, Army National Guard Affairs, Tennessee Army National Guard, Ms. Karen Durham-Aguilera, U.S. Army Corps of Engineers director of Contingency Operations and Homeland Security and Brigadier General Margaret W. Burcham, Commander and Division Engineer of the Great Lakes and Ohio River Division when emergency management officials moved pictures and signs, much like game pieces on a large board game, on a 24-by-24 foot floor map of the New Madrid seismic zone May 7-9, 2014 at the National Guard Armory in Jackson, Tenn. The drill simulated an emergency response in the event of a major earthquake. Emergency management officials moved pictures and signs, much like game pieces on a large board game, on a 24-by-24 foot floor map of the New Madrid seismic zone May 7-9, 2014 at the National Guard Armory in Jackson, Tenn. The exercise simulated an emergency response in the event of a major earthquake. (USACE photo by Mark Rankin)