High Quality Content by WIKIPEDIA articles! On 3 February 2004, the British Government announced an inquiry into the intelligence relating to Iraq`s weapons of mass destruction which played a key part in the Government`s decision to invade Iraq (as part of the U.S.-led coalition) in 2003. A similar investigation was set up in the USA. Despite the apparent certainty of both governments prior to the war that Iraq possessed such weapons, no such illegal weapons or programs were found by the Iraq Survey Group.