WINDSOR, UNITED KINGDOM - MAY 19:  Queen Elizabeth II and Prince Philip, Duke of Edinburgh during an Armed Forces Parade and Muster in Windsor Castle on May 19, 2012 in Windsor, England. More than 2,500 troops, sailors, soldiers and Royal Air Force personnel from nearly all areas of the British Armed Forces were represented in the main body of the parade, together with a tri-Service Guard of Honour and six military bands. (Photo by Paul Vicente - WPA Pool /Getty Images)