GRISSOM AIR RESERVE BASE, Ind. -- Master Sgts. Robert Berkstresser and Rocio Resendiz, 434th Services Flight services technicians, walk through the Grissom Services complex while completing task qualification training. TQT helps keep Airmen familiar with their chemical protective overgarments and practice working in the specialized suits designed to protect personnel against chemical, biological, radiological and nuclear hazards and attacks. (U.S. Air Force photo/Tech. Sgt. Mark Orders-Woempner)