MOPP 4
A member of the 442nd Medical Squadron takes off his chemical, biological, nuclear-protection gear during an operational readiness exercise at the 442nd Fighter Wing, Sept. 7, 2008. The wing is an Air Force Reserve unit based at Whiteman Air Force Base, Mo. (U.S. Air Force photo illustration/Master Sgt. Bill Huntington and Staff Sgt. Kent Kagarise)