ATLANTIC OCEAN (April 21, 2010) The British Royal Navy frigate HMS Iron Duke (F234) maneuvers near the guided-missile destroyer USS Laboon (DDG 58) during exercise Joint Warrior 10-1. Joint Warrior is a semi-annual event that encompasses multi-warfare exercises designed to improve interoperability between allied navies, and prepares participating crews to conduct combined operations during deployment. (U.S. Navy photo by Mass Communication Specialist 2nd Class Nikki Smith/Released)
