An intensive care unit nurse

U.S. Army 1st Lt. Priscilla Lowe, right, an intensive care unit nurse, prepares an intravenous drip for Sgt. Robert Demus, an infantryman, as Spc. Maricris Davison, a licensed professional nurse, adjusts the flow of fluid during medical training at the Joint Readiness Training Center (JRTC) on Fort Polk, La., April 21, 2010. JRTC integrates U.S. military services, coalition partners and civilian role-players into realistic scenarios that reflect today's current conflicts. Lowe and Davison are from the 801st Combat Support Hospital out of Fort Sheridan, Ill., and Demus is from Fort Carson, Colo. (DoD photo by Staff Sgt. Erica J. Knight, U.S. Air Force/Released)