DAEGU AIR BASE, Republic of Korea -- Tech. Sgt. Frank Starks, an exercise evaluator from the 320th Special Tactics Squadron, takes notes during a building evacuation in a simulated chemical environment here March 24. More than 350 members and several aircraft assigned to the 353rd Special Operations Group spent nearly a month at Daegu Air Base, Republic of Korea, testing and assessing their wartime skills necessary to survive and operate in any environment. (U.S. Air Force photo by Tech. Sgt. Aaron Cram)