Submariners Reveal the Toll of Being At Sea... | Submarine

"They were once dismissed by the Admiralty in 1902 as underhand, unfair, and damned un-English. Today, they are the silent backbone of the Royal Navy." Step aboard HMS Superb ("Super B"), a 4,200-ton nuclear-powered hunter-killer submarine capable of remaining submerged undetected for 90 days at a time. ⏩Continue watching the Submarine series: 👉   • Submarine 4K Episodes   Subscribe to Emergencies Up Close -    / @emergenciesupcloseitvs   Watch More Documentaries Up Close -    / @upcloseitvs   Crime Up Close -    / @crimeupcloseitvs   Rails, Roads & Runways -    / @railsroadsrunwaysitvs   Blueprint -    / @blueprintitvs   Our History -    / @ourhistory   True Lives -    / @truelivesitvs   Our World -    / @ourworld   Our Stories -    / @ourstories   Taste -    / @tasteitvs   Get access like never before to the lives of police officers, firefighters and doctors with a collection of the best documentaries following emergency workers worldwide. Content distributed by ITV Studios. #submarine #documentary #navy