US Marine Corps (USMC) Private First Class (PFC) Mathew A. Henson, an administrations clerk, receives medical treatment as a patient who has fragment wounds to the right arm during Medical Augmenty Program Exercise (MAPEX). Personnel from the Naval hospital are augmented to support US Marine Corps (USMC) 3rd Medical Battalion, 3rd Force Service Support Group in order to facilitate forward and rear medical attention centers as in real combat mass casualty situations