GULF OF ADEN (July 12, 2021) The Royal Navy aircraft carrier HMS Queen Elizabeth (R 08), left, and the U.S. Navy guided-missile destroyer USS Halsey (DDG 97) operate in formation in the Gulf of Aden, July 12, 2021. UK, Dutch and U.S. naval forces conducted an integrated at-sea exercise designed to enhance maritime interoperability and demonstrate naval integration through a series of training scenarios. (U.S. Navy photo by Mass Communication Specialist Seaman Gray Gibson)