Gallery: Saving your data from nuke attack

The Bunker draws two 11,000-volt supplies directly from the National Grid, requiring the use of this underground substation. There's also a shared, secondary supply from the National Grid in case the first connection goes down.

,p> On request, systems can be replicated in seconds to a slave datacenter built under the former US Air Force base at Greenham Common near Newbury, Berkshire. With replication, The Bunker offers an uptime guarantee of 99.5 percent.