'Black Night': Upgraded tank for UK army unveiled by BAE Systems

An upgraded version of the British army's tanks has been developed - complete with night vision and a laser warning system.BAE Systems has unveiled the enhanced tank, dubbed the "Black Night", in the hope the Ministry of Defence will purchase the upgrades to ensure the army has the best equipment possible.It is an upgrade of the Challenger 2 tank built by the company in the 1990s, which has been used in Bosnia, Kosovo and Iraq.