50 years of nuclear submarines on the Clyde

Successive governments have regarded Britain's nuclear deterrent as essential to our security and standing in the world. But from the very beginning their presence has also attracted protesters, who say that if the weapons were ever used they would lead to nuclear annihilation. Sky's Defence Correspondent Alistair Bunkall has been on board one of the submarines. SUBSCRIBE to our YouTube channel for more videos:    / skynews   Follow us on Twitter:   / skynews   and   / skynewsbreak   Like us on Facebook:   / skynews   Follow us on Instagram:   / skynews   For more content go to http://news.sky.com and download our apps: Apple https://itunes.apple.com/gb/app/sky-n... Android https://play.google.com/store/apps/de...