When Ohio-class submarine USS Florida slipped south out of the Mediterranean ... mini submarines able to deploy from a mother sub underwater and carry frogmen to their objective.

Developed during the Cold War by the U.S. Navy to confront Soviet Union forces, the USS Seawolf nuclear submarine is one of the most advanced ships worldwide. The advent of nuclear-powered engines ...

What You Need to Know: In 2005, the USS San Francisco, a Los Angeles-class nuclear-powered submarine, collided with an uncharted underwater mountain near Guam during a training mission.

The "Michigan" deployed "superb operational planning and risk management during the completion of three highly successful missions vital to national security." ...