SUB SPOTLIGHT: USS Tennessee 🌊 . With our racing in Bristol, TN this weekend, we're highlighting a submarine from Tennessee. USS Tennessee (SSBN-734) is a United States Navy Ohio-class ballistic missile submarine that has been in commission since 1988. She is the fourth ship and first submarine of the U.S. Navy to be named for Tennessee. . . #NASCAR #CarWithAMission #USSTennessee #Submarine