They also use Port Canaveral.
https://www.navymwrcapecanaveral.com/
The command directly supports the mission capability and readiness of the United States Navy's Trident Submarines as well as the Fleet Ballistic Missile program of the United Kingdom. NOTU operates the Navy Port at Port Canaveral, supporting submarines and surface ships of the U.S. Atlantic Fleet and foreign navies and assets of the Military Sealift Command
Home port is Kings Bay but they also use Port Canaveral and Bangor.
This is gonna make one helluva movie.