A soldier assigned to the 51st Transportation Company, 77th Combat Sustainment Support Battalion, 10th Sustainment Brigade, provides security, in front of a mine resistant ambush protected vehicle, for soldiers performing first aid treatment on a soldier simulating a casualty during a hands-on portion of the combat lifesaver refresher course on Bagram Air Field, Afghanistan Feb. 28. The casualties were removed from the vehicles by the CLS soldiers to provide the necessary treatment that was unable to be administered inside the vehicles. www.facebook.com/10thSustainmentBrigade (Photo by Sgt. Michael K. Selvage 10th Sustainment Brigade Public Affairs NCO)