200219-N-ON977-1013 NORFOLK (Feb. 19, 2020) Royal Navy Cmdr. Bob Anstey, left, assistant chief of staff for submarines, speaks with Capt. Martin J. Muckian, middle, commander of Submarine Squadron 6, before touring the Virginia-class attack submarine USS New Mexico (SSN 779) in Norfolk, Va., Feb. 19, 2020. The U.S. Navy considers the Royal Navy one of its closest allies, and the maritime forces regularly integrate and operate together. (U.S. Navy photo by Mass Communication Specialist 2nd Class Alfred A. Coffield/Released)