Lance Cpl. Dylan Shuler, 22nd Marine Expeditionary Unit chemical, biological, radiological and nuclear defense specialist and native of Bell Buckle, Tenn., helps Lance Cpl. Jarrod Roper, 22nd MEU CBRN specialist and native of Villa Rica, Ga., don his level “B” protective suit as the Marines prepare to search a subway for casualties and an unknown chemical or biological agent during hazardous material response training