RICHMOND, ENGLAND - MAY 02:  Queen Elizabeth II attends the amalgamation parade of The Queen's Royal Lancers and 9th/12th lancers (Prince of Wales's) at Richmond Castle on May 2, 2015 in Richmond, England. The Queen took the Royal Salute in the historic castle grounds before inspecting and addressing the parade of the newly formed The Royal Lancers before the Regiment marched past the saluting dias.  (Photo by Ian Forsyth - WPA Pool/Getty Images)