GALLAGHER, W.V. - Petty Officer 2nd Class Eric Schenk, a member of the Gulf Strike Team based in Mobile, Ala., removes his mask to get out of a level B suit after a decontamination scrub and shower during a drill at the Center for National Response Memorial Tunnel in Gallagher, Thursday, Apr. 5, 2012. U.S. Coast Guard photo by Petty Officer 1st Class Matthew Schofield.