Thanks to air recycling it could theoretically circumnavigate the planet without having to resurface, and its nuclear power system means it will never have to refuel again during its 25-year-service.
However, its limit is that it is only able to carry three months worth of food for the 98 crew needed to man it.
The miniature submarine's main duties are for counter intelligence, as it allows for incredibly covert ops from discreet locations, and will now be able to deploy while hidden underwater, rather than having to travel by helicopter, which runs the risk of revealing its position.
Read more: http://www.dailymail.co.uk/news/article-2587116/Britains-super-sub-Navy-unveils-James-Bond-style-mini-submarine-carried-board-HMS-Astute-launch-water.html#ixzz2xIxeKcWE
*Notícia publicada al Daily Mail. La Royal Navy continua les seves activitats, sense que aparentment, li molestin gaire les provocacions espanyoles.