U.S. Seventh Fleet Opens New Navigation, Seamanship and Shiphandling Trainer (NSST) Facility 2025-01-21 Comments Closed News, RSS U.S. Seventh Fleet opens the new Navigation, Seamanship, and Shiphandling Trainer facility in Yokosuka, Japan. Related Items Region East COC [Image 5 of 15] 2024-11-04 Pentagon Sends 1,100 More Troops to Border in Continued Mission Ramp-Up 2025-05-23 Sailors volunteer with the River City Waterway Alliance [Image 1 of 7] 2025-03-21 Navy Submarine Honored with Top Unit Award for 3 Secret Intelligence Missions 2024-10-22