<Tr> <Th> Specialty </Th> <Td> Medical </Td> </Tr> <P> A hospital corpsman (HM) / ˈkɔːrmən / (or corpsman for short) is an enlisted medical specialist of the United States Navy, who may also serve in a U.S. Marine Corps unit . The corresponding rank within the United States Coast Guard is Health Services Technician (HS). </P> <P> Hospital corpsmen work in a wide variety of capacities and locations, including shore establishments such as naval hospitals and clinics, aboard ships, and as the primary medical caregivers for sailors while underway . Hospital corpsmen are frequently the only medical care - giver available in many fleet or Marine units on extended deployment . In addition, hospital corpsmen perform duties as assistants in the prevention and treatment of disease and injury and assist health care professionals in providing medical care to sailors and their families . </P> <P> They may function as clinical or specialty technicians, medical administrative personnel and health care providers at medical treatment facilities . They also serve as battlefield corpsmen with the Marine Corps, rendering emergency medical treatment to include initial treatment in a combat environment . Qualified hospital corpsmen may be assigned the responsibility of independent duty aboard ships and submarines; Fleet Marine Force, SEAL and Seabee units, and at isolated duty stations where no medical officer is available . </P>

What does a hospital corpsman do in the navy
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