A BQM-74E drone launches from the flight deck of the Oliver Hazard Perry-class guided-missile frigate USS Underwood (FFG 36) during 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. (U.S. Navy photo by Mass Communication Specialist 2nd Class Stuart Phillips/Released)