Joint Task Force Civil Support communications experts configure and test satellite communications-based network connections during a deployment readiness exercise at Fort Eustis, Va., April 16, 2013. Staff members from JTF-CS tested the unit's ability to rapidly respond to a catastrophic event, such as a chemical spill or nuclear detonation, in the U.S. as part of the four-day exercise. (Department of Defense photo by Marine Corps Gunnery Sgt. Jim Goodwin/Released)

U.S. Navy Petty Officers 1st Class Reginald J. Holloway, supply lead petty officer, and Willie C. Fowler, Jr., Joint Task Force Civil Support deployment readiness noncommissioned officer in charge, load sea bags as part of a four-day deployment readiness exercise at Fort Eustis, Va., April 16, 2013. When directed, JTF-CS provides command and control of more than 5,200 federal military forces, known as the Defense Chemical, Biological, Radiological, Nuclear Response Force, located at more than 36 locations throughout the U.S. It also plans for and responds to catastrophic CBRN events in the homeland in support of federal, state and local authorities. (Department of Defense photo by Marine Corps Gunnery Sgt. Jim Goodwin/Released)

Soldiers from the 149th Transportation Company, 10th Trans. Battalion transport part of the 130 short tons of equipment and supplies as part of a Joint Task Force Civil Support deployment readiness exercise at Fort Eustis, Va., April 16, 2013. The four-day exercise was part of a "crawl, walk, run" process JTF-CS is undertaking this year in an effort to validate its ability to respond quickly and enable the Response Force to save lives. To that end, JTF-CS will further validate its response capabilities and procedures next month during Sudden Response, a command post exercise at Fort A.P. Hill, Va. (Department of Defense photo by Marine Corps Gunnery Sgt. Jim Goodwin/Released)

Joint Task Force Civil Support personnel load sea bags as part of a deployment readiness exercise at Fort Eustis, Va., April 16, 2013. When directed, JTF-CS provides command and control of more than 5,200 federal military forces, known as the Defense Chemical, Biological, Radiological, Nuclear Response Force, located at more than 36 locations throughout the U.S. It also plans for and responds to catastrophic CBRN events in the homeland in support of federal, state and local authorities. (Department of Defense photo by Marine Corps Gunnery Sgt. Jim Goodwin/Released)