180423-N-AW702-005 JACKSONVILLE, Fla. (April 23, 2018) Hospital Corpsman 2nd Class Sara Bookall, from Clarendon, Jamaica, a laboratory technician at Naval Hospital Jacksonville, studies a blood sample with a microscope. Established June 17, 1898, the Hospital Corps cares for sailors and Marines on the battlefield, at sea, under the sea, and in military treatment facilities worldwide. (U.S. Navy photo by Mass Communication Specialist 1st Class Jacob Sippel/Released)