The Household Division's Waterloo 200 Beating The Retreat

LONDON, ENGLAND - MARCH 23: Lance Corporal Liam Seer-Boylan of the 1st Battalion Grenadier Guards (centre) holds an original Waterloo Bugle during the official launch of this summer's Beating Retreat on Horse Guards Parade on March 23, 2015 in London, England. The instrument, recovered from the battlefield alongside a Drummer and his book of bugle calls, will be played for the first time in 200 years during the Beating Retreat concert on Horse Guards Parade on the 10th and 11th of June. The summer concert will commemorate the 200th anniversary of the Battle of Waterloo. (Photo by Rob Stothard/Getty Images)