Lashkar Gah, AFGHANISTAN: (FILES) In this file photograph dated 17 May 2006, British soldiers from 21 Air Assault Battery Royal Artillery, who are providing the Helmand Task Force Provincial Reconstruction Team, are silhouetted against the sky as they provide security for a meeting with the Afghan National Police at the fortress Qala-e-Bost in Lashkar Gah, Helmand province. Two British soldiers serving in the NATO force in southern Afghanistan were killed 01 August 2006 while another was seriously wounded and a fourth reported missing, presumed killed, the ministry of defense in Britain said. AFP PHOTO/ JOHN D MCHUGH (Photo credit should read JOHN D MCHUGH/AFP/Getty Images)