Local first responders pass equipment onto the "Cape Johnson" on the first day of the Hampton Roads Full Scale Exercise staged off the coast of Fort Eustis, Va., May 17, 2011. The three-day exercise strengthens anti-terrorism capabilities and tests local, state and federal response efforts in maritime, hostage and mass casualty scenarios. (U.S. Air Force photo by Airman 1st Class Camilla Griffin) (RELEASED)

Local first responders gather hazardous material equipment before boarding the "Cape Johnson," the site for the first day of the Hampton Roads Full Scale Exercise staged off the coast of Fort Eustis, Va., May 17, 2011. The three-day exercise strengthens anti-terrorism capabilities and tests local, state and federal response efforts in maritime, hostage and mass casualty scenarios. (U.S. Air Force photo by Senior Airman Zachary Wolf)(RELEASED)

Military and civilian first responders use the "Cape Johnson" as the site for the first day of the Hampton Roads Full Scale Exercise staged off the coast of Fort Eustis, Va., May 17, 2011. The three-day exercise strengthens anti-terrorism capabilities and tests local, state and federal response efforts in maritime, hostage and mass casualty scenarios (U.S. Air Force photo by Senior Airman Zachary Wolf)(RELEASED)

Firefighters set up a pulley system to load cargo onto the "Cape Johnson," the site for the first day of the Hampton Roads Full Scale Exercise staged off the coast of Fort Eustis, Va., May 17, 2011. The three-day exercise strengthens anti-terrorism capabilities and tests local, state and federal response efforts in maritime, hostage and mass casualty scenarios. (U.S. Air Force photo by Airman 1st Class Camilla Griffin) (RELEASED)

Firefighters unload hazardous materials equipment on board the "Cape Johnson" on the first day of the Hampton Roads Full Scale Exercise staged off the coast of Fort Eustis, Va., May 17, 2011. The three-day exercise strengthens anti-terrorism capabilities and tests local, state and federal response efforts in maritime, hostage and mass casualty scenarios. (U.S. Air Force photo by Senior Airman Zachary Wolf)(RELEASED)

Trooper David Creath, Virginia State Police, dons his gas mask on board the "Cape Johnson" on the first day of the Hampton Roads Full Scale Exercise staged off the coast of Fort Eustis, Va., May 17, 2011. The three-day exercise strengthens anti-terrorism capabilities and tests local, state and federal response efforts in maritime, hostage and mass casualty scenarios. (U.S. Air Force photo by Senior Airman Zachary Wolf)(RELEASED)

Army Staff Sgt. Winston Obermuller, 34th Civil Support Team server team chief, helps a teammate into a hazardous materials suit on the first day of the Hampton Roads Full Scale Exercise staged off the coast of Fort Eustis, Va., May 17, 2011. The three-day exercise strengthens anti-terrorism capabilities and tests local, state and federal response efforts in maritime, hostage and mass casualty scenarios. (U.S. Air Force photo by Airman 1st Class Camilla Griffin) (RELEASED)

Trooper David Creath, Virginia State Police, receives a safety briefing before investigating suspicious substances on board the "Cape Johnson," the site for the first day of the Hampton Roads Full Scale Exercise staged off the coast of Fort Eustis, Va., May 17, 2011. The three-day exercise strengthens anti-terrorism capabilities and tests local, state and federal response efforts in maritime, hostage and mass casualty scenarios. (U.S. Air Force photo by Senior Airman Zachary Wolf)(RELEASED)

Triage members decontaminate a simulated casualty on the first day of the Hampton Roads Full Scale Exercise staged off the coast of Fort Eustis, Va., May 17, 2011. The three-day exercise strengthens anti-terrorism capabilities and tests local, state and federal response efforts in maritime, hostage and mass casualty scenarios. (U.S. Air Force photo by Airman 1st Class Camilla Griffin) (RELEASED)