Staff Sgt. Nanerico Santos, 459th Logisitics Readiness Flight, performs maintance on a government vehicle while wearing his chemical warfare suit, here July 11. Airmen from the 459th Air Refueling Wing participated in chemical and biological warfare training during the July Unit Training Assembly in preparation for an upcoming Operational Readiness Inspection. (U.S. Air Force photo/Senior Airman Darryl Brodie)