Petty Officer 2nd Class Daniel Wagner, left, a hospital corpsman with Headquarters Battalion, 1st Marine Division, sets an ice pack on the shoulder of Lance Cpl. Aaron Brown, a motor transport operator with the battalion, after a physical therapy session at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., May 14, 2014. Wagner routinely improvises medical treatment while in the field. He understands the work tempo of the Marines requires the battalion aid station to be creative when continuing treatment for their patients.