New York Army National Guard Staff Sgt. Matt Wanser checks the seal of a Soldier's protective mask while working through the Joint Service Lightweight Integrated Suit Technology (JSLIST) portion of a day long Chemical, Biological, Radiological and Nuclear class held at Camp Smith Training Site, north of Peekskill, N.Y., on Saturday, Feb. 21, 2105. Wanser was a member of the pre-mobilization training team preparing fifty-six 42nd Infantry Division Soldiers for a deployment to Guantanamo Bay Naval Base, Cuba. (U.S. Army National Guard photo by Sgt. 1st Class Steven Petibone/Released)