US Army (USA) SPECIALIST Fourth Class (SPC) Antonio M. Lopez, left and Sergeant First Class (SFC) Jose Rigual, right, from the 369th Combat Support Hospital (CSH), 65th Regional Support Command (RSC), Puerto Rico, attend to patient Sergeant (SGT) Luis Sanchez, at the Crabbs Training Area on the island of Antigua during the Field Training Exercise (FTX) Tradewinds 2002