10 November 2025 USS St. Louis (LCS 19) Returns from Deployment in Support of Southern Border Operations The Freedom-variant littoral combat ship USS St. Louis (LCS 19), operating under U.S. Northern Command (USNORTHCOM) in the Gulf of America, returned to Naval Station Mayport after completing a surge deployment on November 10, 2025.
25 April 2022 Donald Cook Returns to Mayport The Arleigh Burke-class guided-missile destroyer USS Donald Cook (DDG 75) returned to Naval Station Mayport following a three-month deployment, April 24.