GALLAGHER, W.V. - Members of the Coast Guard's National Strike Force dress out in level A suits and proceed down range during an exercise at the Center for National Response Memorial Tunnel in Gallagher, Thursday, Apr. 5, 2012. National Strike Force responders are one of the Coast Guard's lines of defense to combat oil spills or hazardous materials releases, and this training will better prepare them for future operations. U.S. Coast Guard video by Petty Officer 1st Class Matthew Schofield.