From left: Senior Drum Major Betts of the Scots Guards, Bugler Lee Kidd, Guardsman Adam Deer of the Coldstream Guards, Lance Corporal Michael Strong of the Princess of Wales's Royal Regiment and Warrant Officer second Class Terry Gardener, Senior Drum Major of the Royal Air Force, pose in their full ceremonial attire at Wellington Barracks on March 21, 2012 in London, England. The group make up part of the ceremonial military personnel who will play a key role during Her Majesty the Queen's Diamond Jubilee celebrations in June.