Military parade for queen's jubilee

Queen Elizabeth II is saluted as the national anthem is sung during the Armed Forces Parade and Muster in Home Park on May 19, 2012, in Windsor, England. Some 2,500 servicemen and woman from all three armed services paraded in front of the monarch as part of the Diamond Jubilee celebrations marking her 60 years on the British throne.

Queen Elizabeth II is saluted as the national anthem is sung during the Armed Forces Parade and Muster in Home Park on May 19, 2012, in Windsor, England.

Prince Philip, Duke of Edinburgh, right, looks on as Queen Elizabeth II gives a speech during the Armed Forces Parade and Muster in Home Park on May 19, 2012, in Windsor, England.

Front left, Chief of the Defense Staff General Sir David Richards, Queen Elizabeth II and Prince Philip, Duke of Edinburgh, watch the flypast during the Armed Forces Parade and Muster at Home Park on May 19, 2012, in Windsor, England.

Prince Andrew, Duke of York, takes photos as he attends the Armed Forces Parade and Muster on May 19, 2012, in Windsor, England.

Queen Elizabeth II shares a joke with Chief of the Defence Staff General Sir David Richards, left, as they attend the Armed Forces Parade and Muster on May 19, 2012, in Windsor, England.

Princess Anne, Princess Royal, left, and Prince Andrew, Duke of York, right, attend the Armed Forces Parade and Muster on May 19, 2012, in Windsor, England.

Queen Elizabeth II smiles as she walks past Sophie, Countess of Wessex, King Harald V of Norway, right, and Queen Sonja of Norway during the Armed Forces Parade and Muster on May 19, 2012 in Windsor, England.

Queen Elizabeth II walks past King Mswati III and Inkhosikati LaMbikiza of Swaziland as she attends the Armed Forces Parade and Muster in Home Park on May 19, 2012, in Windsor, England.

Queen Elizabeth II smiles as she walks past Princess Anne and Prince Philip, Duke of Edinburgh, left, greets vice Admiral Sir Timothy Laurence as they attend the Armed Forces Parade and Muster on May 19, 2012, in Windsor, England.

Princess Anne, Princess Royal, front right, Vice Admiral Sir Timothy Laurence, back right, and Prince Andrew, Duke of York, back left, attend the Armed Forces Parade and Muster on May 19, 2012, in Windsor, England.

Prince Michael of Kent, center left, and Princess Michael of Kent, front left, attend the Armed Forces Parade and Muster on May 19, 2012, in Windsor, England.

King Simeon II and Queen Margarita of Bulgaria attend the Armed Forces Parade and Muster on May 19, 2012, in Windsor, England.

Queen Margrethe II of Denmark, Prince Henrik of Denmark, Grand Duchess Maria Teresa of Luxembourg and Grand Duke Henri of Luxembourg (not pictured) attend the Armed Forces Parade and Muster on May 19, 2012, in Windsor, England.

Queen Silvia of Sweden looks on as King Carl XVI Gustaf of Sweden takes photographs on his mobile phone during the Armed Forces Parade and Muster at Home Park on May 19, 2012, in Windsor, England.

Queen Elizabeth II and Prince Philip, Duke of Edinburgh, left, at the Armed Forces Parade and Muster at Windsor Castle in Windsor, England, May 19, 2012.

Queen Elizabeth II during an Armed Forces Parade and Muster at Windsor Castle on May 19, 2012, in Windsor, England.

Britain's Queen Elizabeth II attends the Armed Forces Parade and Muster at Windsor Castle in Windsor, England, May 19, 2012. More than 2,500 troops paraded before the Queen and the Duke of Edinburgh. 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.

Sailors, soldiers and Royal Air Force personnel from nearly all areas of the British Armed Forces parade in honor of Queen Elizabeth II, background center, during the Armed Forces Parade and Muster at Windsor Castle in Windsor, England, on May 19, 2012.

Members of Britain's armed forces line up in formation during Queen Elizabeth II's Diamond Jubilee Armed Forces Parade and Muster in Windsor, England, on May 19, 2012. The parade is part of a series of events to celebrate the queen's 60-year reign, which culminate in nationwide Jubilee celebrations on a 4-day weekend beginning June 2.

Members of Britain's armed forces give three cheers in honor of Queen Elizabeth II during the Diamond Jubilee Armed Forces Parade and Muster in Windsor, England, on May 19, 2012.

Queen Elizabeth II smiles at Prince Philip, Duke of Edinburgh, during an Armed Forces Parade and Muster in Windsor Castle on May 19, 2012, in Windsor, England.

Britain's Queen Elizabeth II attends the Armed Forces Parade and Muster at Windsor Castle on May 19, 2012, in Windsor, England.

Sailors, soldiers and Royal Air Force personnel from nearly all areas of the British Armed Forces parade in honor of Queen Elizabeth II during the Armed Forces Parade and Muster at Windsor Castle in Windsor, England, on May 19, 2012.

Lefteris Pitarakis - WPA Pool /Getty Images

Queen Elizabeth II leaves after attending the Armed Forces Parade and Muster in Windsor Castle on May 19, 2012, in Windsor, England.