LONDON, ENGLAND - OCTOBER 09: Conservative party leader David Cameron applauds behind TRH Camilla, Duchess of Cornwall and Prince Williamas they attend a reception at London Guildhall after a Service of Commemoration to mark the end of combat operations in Iraq on October 9, 2009 in London, England. The commemoration was attended by veterans and the relatives of the 179 who died during the conflict which officially ended on April 30.