U.S. Army Sgt. Vu Luong, a veterinarian technician with the 109th Medical Detachment (Veterinarian Services Large), Stanton, Calif., prepares a solution of parasite medicine with the help of a local vet from the Guatemalan Ministry of Public Health during a Medical Readiness Training Exercise in Poptun, Guatemala, Jan. 28, 2006. U.S. Army photo by Kaye Richey