'White phosphorous used in Afghan war' 14 May 2011 Leaked documents have revealed that US-led forces in Afghanistan have made extensive use of white phosphorus bombs in densely-populated areas. A review of the Afghan military documents revealed more than 1,100 instances of US-led forces -- including Danish troops -- having used white phosphorus (WP) grenades, rockets and bombs, the Danish daily Information reported. According to one document, US-led forces fired 20 to 50 WP rockets at a single target.