170808-N-KB401-242 ATLANTIC OCEAN (Aug. 8, 2017) The Royal Navy Duke-class frigates HMS Iron Duke (F 234), left, and HMS Westminster (F 237), the Royal Norwegian Navy frigate Helge Ingstad (F 313), the Royal Navy aircraft carrier HMS Queen Elizabeth (R08), the U.S. Navy guided-missile destroyer USS Donald Cook (DDG 75), the Nimitz-class aircraft carrier USS George H.W. Bush (CVN 77), and the guided-missile cruiser USS Philippine Sea (CG 58) are underway in formation during exercise Saxon Warrior 2017. The U.S. and United Kingdom co-hosted carrier strike group exercise demonstrates interoperability and capability to respond to crises and deter potential threats. (U.S. Navy photo by Mass Communication Specialist 2nd Class Michael B. Zingaro/Released)