GROTON, Conn., May 6, 2009 – Sirens wail as a fire truck speeds to a school in response to a reported incident. Dozens of students are sent to area hospitals. The radiation alarm on one of the firemen begins to scream. Army Sgt. 1st Class Ryan Van Damme, a decontamination noncommissioned officer for the 14th Civil Support Team of the Connecticut National Guard, checks Army Sgt. John Barton, a survey team member, for contaminants after Barton returned from surveying the inside of a school during an exercise simulation in Groton, Conn., May 5, 2009. U.S. Army photo by Pfc....