U.S. Air Force Maj. Gen. Jonathan T. Treacy, left, Joint Task Force Civil Support commander, greets Robert G. Salesses, Deputy Assistant Secretary of Defense for Defense Support of Civil Authorities, at the JTF-CS Headquarters at Fort Eustis, Va., Mar. 12, 2012. Salesses visited the commander to discuss JTF-CS’s role in managing the consequences of a domestic chemical, biological, radiological, nuclear and high-yield explosive situation. (U.S. Air Force photo by Staff Sgt. Ashley Hawkins/Released)