This New United States Submarine Is Absolutely Colossal The U.S. Navy is racing to build the best submarine out there - and it's currently working on something huge! By Brad Smith | 2 years ago Share Next Next Must Read Woman Refuses To Let Man Board First Class, Regrets It When She Hears Remark The Unhappiest States In America, Ranked Dog Refuses TO Give Birth, Then Vet Gives Owner News