Capt. Chris Stephens (left) and Lt. Col. Kelly Kimsey cover a vehicle with two layers of plastic to prevent chemical contamination Aug. 6 at a simulated air base in Southeast Asia. Operational assets are covered to decrease the chance of contamination in a chemical environment. Captain Stephens is assigned to the 437th Operations Group and Colonel Kimsey is a member of the 437th Airlift Wing. (U.S. Air Force photo/Airman 1st Class Timothy Taylor)