Seaman Anthony Wells (left), a corpsman with 2nd Medical Battalion, 2nd Marine Logistics Group, listens as Lt. Gail Murray, a critical care nurse with the unit, explains how to use the ultrasound machine during pre-deployment training at Camp Lejeune, N.C., June 28, 2014. The battalion used the training to prepare its Forward Resuscitative Surgical System team for an upcoming deployment.