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.

harbor security plus and search and salvage The Virginia-class nuclear-powered fast attack submarine USS North Dakota (SSN-784) has launched and recovered an underwater drone for the first time.

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