Airman 1st Class Eric Reist assists Staff Sgt. Charlotte Robinson in sampling an unknown liquid from a bottle at a simulated deployment location while being observed by Staff Sgt. Parker Stade, as part of the Air Force District of Washington chemical, biological, radiological, nuclear, and high yield explosives response force while training at the Center for National Response in Gallagher, W.Va., March 25, 2010. The response force is made up of personnel from the 316th Wing, the 79th Medical Wing and the 11th Wing and is a force that combines the bioenvironmental engineers, civil engineering readiness, emergency management and fire emergency services to respond to emergency situations in the National Capital Region. (U.S. Air Force photo by Staff Sgt. Renae L. Saylock)