George Grubb, left, and Army Staff Sgt. Daphne Charles, instructors at the Chemical Defense Training Facility aboard Fort Leonard Wood, Mo., check the gas masks of Marines from the 22nd Marine Expeditionary Unit Chemical, Biological, Radiological and Nuclear Consequence Management Team. The team traveled to Fort Leonard Wood to conduct specialized training, Dec. 2 - 4. The CDTF is one of only two like it in the nation. Grubb is a native of Odessa, Mo. Charles is a native of North Lauderdale, Fla.