Sgt. Guadalupe Ramos, senior medic, Troop C., 5th Squadron, 4th Cavalry Regiment, 2nd Heavy Brigade Combat Team, 1st Infantry Division, Multi-National Division - Baghdad, inspects a water tank on Nov. 26 to ensure the water levels are not polluted at Joint Security Station Ghazaliyah IV. As the senior medic for the Troop, Ramos is tasked with ensuring the water supply is maintained on the JSS.