171116-N-NH199-021 SAN DIEGO (Nov. 16, 2017) San Diego Zoo Express brought Zina, a two-toed sloth, to visit Naval Medical Center San Diego's (NMCSD) pediatrics ward. San Diego Zoo Express visits NMCSD to help build the morale of the children who can't leave the hospital and to help raise awareness for endangered animals. (U.S. Navy photo by Mass Communication Specialist Seaman Apprentice Harley K. Sarmiento/Released)