Britain's ability to pre-empt or respond to threats risks being eroded if the UK does not keep up with its enemies, the head of the British Army has warned. In his speech to RUSI General Sir Nick Carter also highlighted how Russia, in building an increasingly aggressive and expeditionary force, already boasts capabilities the UK would struggle to match. Report by Blairm. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn