USS Plunger
Three United States Navy submarines have so far been named USS Plunger :
- USS Plunger (SS-2) , a Plunger-class submarine , in service from 1903 to 1913
- USS Plunger (SS-179) , a Porpoise-class submarine , in service from 1936-1945
- USS Plunger (SSN-595) , a Thresher-class submarine , in service from 1962 to 1990