Shreveport, La., native Spc. Cassandra Tramiel (left), a brigade personnel clerk for the 1st Air Cavalry Brigade, 1st Cavalry Division, lets a little blood flow from an intravenous catheter to show that it's in the vein of Washoe, Nev., native Sgt. Jeralyn Matthews (right), the senior medic for Headquarters and Headquarters Company, 1st ACB, 1st Cav. Div., during a Combat Life Saver recertification class, at Fort Hood, Texas, July 30, 2008. "Everyone should be able to cross over into saving their battle buddy's life," said Tramiel. The CLS classes teach basic first responder medical aid to Soldiers who are not medics.