Members of the exercise evaluation team watch as U.S. Air Force Senior Master Sgt. Gregory Pocaigue, left, with the 35th Logistics Readiness Squadron, assists a victim of a simulated mortar attack with applying his gas mask during a training exercise June 22, 2011, at Misawa Air Base, Japan. The Airmen were participating in a week-long exercise designed to test their ability to survive and operate in a combat environment.