Air Force Senior Airman Michael W. Shimmin, a Rancho Cordova, Calif. native, aerospace medical technician attached to the 51st Transportation Company, 77th Combat Sustainment Support Battalion, 10th Sustainment Brigade, quizzes members of the 51st TC convoy escort team on different medical equipment found in a combat lifesaver bag to ensure they know proper use for each item during a CLS refresher course on Bagram Air Field, Afghanistan, Feb. 28. The instructors also demonstrated how to properly apply some of items and allowed the soldiers the chance to become accustom to the equipment. www.facebook.com/10thSustainmentBrigade (Photo by Sgt. Michael K. Selvage 10th Sustainment Brigade Public Affairs NCO)