Search and rescue swimmer Logistics Specialist 3rd Class Joshua Davidson, assigned to the Oliver Hazard Perry-class guided-missile frigate USS Underwood (FFG 36), attaches a line to a BQM-74E drone for recovery following a live-fire drone exercise. Underwood is participating in UNITAS Atlantic 53-2012, a combined South America- and U.S. 4th Fleet-sponsored annual exercise that incorporates participants from Brazil, Canada, Colombia, Dominican Republic, Mexico, and the United Kingdom and the United States (host nation). (U.S. Navy photo by Mass Communication Specialist 2nd Class Stuart Phillips)