British Royal Family Attend The Gurkha 200 Pageant at Royal Hospital Chelsea on June 9, 2015 in London, England.

Prince Charles, Prince of Wales attends the Gurkha 200 pageant at Royal Hospital Chelsea on June 9, 2015 in London, England.

 (R) Prince Charles, Prince of Wales and his youngest son Prince Harry attend the Gurkha 200 pageant at Royal Hospital Chelsea on June 9, 2015 in London, England.

  Prince Charles, Prince of Wales and Prince Harry attend the Gurkha 200 pageant at Royal Hospital Chelsea on June 9, 2015 in London, England.

Prince Charles, Prince of Wales attends the Gurkha 200 pageant at Royal Hospital Chelsea on June 9, 2015 in London, England.

Prince Harry attends the Gurkha 200 pageant at Royal Hospital Chelsea on June 9, 2015 in London, England. 

Prince Charles, Prince of Wales attends the Gurkha 200 pageant at Royal Hospital Chelsea on June 9, 2015 in London, England.

The Sultan of Brunei and Queen Elizabeth II attend the Gurkha 200 pageant at Royal Hospital Chelsea on June 9, 2015 in London, England.

The Sultan of Brunei and Queen Elizabeth II attend the Gurkha 200 pageant at Royal Hospital Chelsea on June 9, 2015 in London, England.

The Sultan of Brunei and Queen Elizabeth II attend the Gurkha 200 pageant at Royal Hospital Chelsea on June 9, 2015 in London, England.

 Prince Harry attends the Gurkha 200 pageant at Royal Hospital Chelsea on June 9, 2015 in London, England.

The Sultan of Brunei and Queen Elizabeth II attend the Gurkha 200 pageant at Royal Hospital Chelsea on June 9, 2015 in London, England.

  Prince Harry attends the Gurkha 200 pageant at Royal Hospital Chelsea on June 9, 2015 in London, England.

Britain's Duke of Edinburgh smiles as he arrives for the Gurkha 200 pageant in the grounds of the Royal Hospital Chelsea in London on June 9, 2015. The event is part of the bicentenary celebrations of Nepalese Gurkha soldiers in the British armed forces. Since first serving as part of the army in British-run India in 1815, they have built a reputation for ferocity, loyalty and razor-sharp kukri fighting knives and 26 of their members have been awarded the Victoria Cross, Britain's highest military award for bravery.

Britain's Prince Philip holds a Kukri, a traditional Gurkha weapon, during the Gurkha 200 pageant in the grounds of the Royal Hospital Chelsea in London on June 9, 2015.

Britain's Queen Elizabeth II (R) and The Sultan of Brunei Hassanal Bolkiah arrive for the Gurkha 200 pageant in the grounds of the Royal Hospital Chelsea in London on June 9, 2015.

Britain's Prince Harry poses with Kushal Limbu (R), Gurkha rifleman and double gold medallist at the first Invictus Games at a reception prior to the Gurkha 200 pageant in the grounds of the Royal Hospital Chelsea in London on June 9, 2015.

Britain's Prince Harry talks to a group of soldiers from the Brigade of Gurkhas at a reception prior to the Gurkha 200 pageant in the grounds of the Royal Hospital Chelsea in London on June 9, 2015.

Britain's Prince Charles, Prince of Wales talks to a group of soldiers from the Brigade of Gurkhas at a reception prior to the Gurkha 200 pageant in the grounds of the Royal Hospital Chelsea in London on June 9, 2015.

Britain's Prince Harry (L) poses for a selfie during the Gurkha 200 pageant in the grounds of the Royal Hospital Chelsea in London on June 9, 2015.

Prince Harry attends the Gurkha 200 pageant at Royal Hospital Chelsea on June 9, 2015 in London, England.

 Queen Elizabeth II attends the Gurkha 200 pageant at Royal Hospital Chelsea on June 9, 2015 in London, England.

  Prince Philip, Duke of Edinburgh attends the Gurkha 200 pageant at Royal Hospital Chelsea on June 9, 2015 in London, England.

Queen Elizabeth II attends the Gurkha 200 pageant at Royal Hospital Chelsea on June 9, 2015 in London, England.

Queen Elizabeth II and The Sultan of Brunei attend the Gurkha 200 pageant at Royal Hospital Chelsea on June 9, 2015 in London, England.

 Queen Elizabeth II and Prince Philip, Duke of Edinburgh attend the Gurkha 200 pageant at Royal Hospital Chelsea on June 9, 2015 in London, England.

Prince Harry attends the Gurkha 200 pageant at Royal Hospital Chelsea on June 9, 2015 in London, England.

  Queen Elizabeth II arrives at the Gurkha 200 pageant at Royal Hospital Chelsea on June 9, 2015 in London, England.

Prince Harry observes a minute silence at the Gurkha 200 pageant at Royal Hospital Chelsea on June 9, 2015 in London, England.

Queen Elizabeth II arrives at the Gurkha 200 pageant at Royal Hospital Chelsea on June 9, 2015 in London, England. 

Prince Charles, Prince of Wales arrives at the Gurkha 200 pageant at Royal Hospital Chelsea on June 9, 2015 in London, England.

Queen Elizabeth II watches the show during the Gurkha 200 pageant at Royal Hospital Chelsea on June 9, 2015 in London, England.

Queen Elizabeth II and Prince Philip, Duke of Edinburgh are saluted by Gurkhas as they leave the Gurkha 200 Pageant at the Royal Hospital Chelsea on June 9, 2015 in London, England. For two centuries Gurkha soldiers have served alongside British forces in every major conflict, gaining a reputation for bravery and loyalty. During the two World Wars there were over 40,000 Gurkha casualties, while 13 Victoria Crosses have been awarded to Nepalese Gurkha soldiers. The 2015 bicentenary year recognises and celebrates Gurkha service to the Crown. The Pageant is the centrepiece of a series of commemorative events taking place throughout the year.

Queen Elizabeth II and the Sultan of Brunei are saluted by Gurkhas as they leave the Gurkha 200 Pageant at the Royal Hospital Chelsea on June 9, 2015 in London, England.

Queen Elizabeth II and Prince Philip, Duke of Edinburgh are saluted by Gurkhas as they leave the Gurkha 200 Pageant at the Royal Hospital Chelsea on June 9, 2015 in London, England.

Queen Elizabeth II and Prince Philip, Duke of Edinburgh attend the Gurkha 200 pageant at Royal Hospital Chelsea on June 9, 2015 in London, England.

Queen Elizabeth II waves as she is saluted by Gurkhas at the Gurkha 200 Pageant at the Royal Hospital Chelsea on June 9, 2015 in London, England.

Queen Elizabeth II leaves the Gurkha 200 pageant at Royal Hospital Chelsea on June 9, 2015 in London, England.

Queen Elizabeth II leaves the Gurkha 200 pageant at Royal Hospital Chelsea on June 9, 2015 in London, England.

Prince Harry attends the Gurkha 200 pageant at Royal Hospital Chelsea on June 9, 2015 in London, England.

Prince Harry attends the Gurkha 200 pageant at Royal Hospital Chelsea on June 9, 2015 in London, England.

(L-R) Prince Charles, Prince of Wales, The Sultan of Brunei and Queen Elizabeth II attend the Gurkha 200 pageant at Royal Hospital Chelsea on June 9, 2015 in London, England.

(L-R) Prince Charles, Prince of Wales and The Sultan of Brunei attend the Gurkha 200 pageant at Royal Hospital Chelsea on June 9, 2015 in London, England.

Queen Elizabeth II arrives for the Gurkha 200 pageant in the grounds of the Royal Hospital Chelsea on June 9, 2015 in London, United Kigndom.

Queen Elizabeth II receives a bouquet of flowers from six year-old Swechya Joshi, the daughter of a serving Gurkha, after the Gurkha 200 pageant in the grounds of the Royal Hospital Chelsea on June 9, 2015 in London, United Kigndom.

   Prince Harry watches the Gurkha 200 pageant in the grounds of the Royal Hospital Chelsea on June 9, 2015 in London, United Kigndom.

  Queen Elizabeth II arrives for the Gurkha 200 pageant in the grounds of the Royal Hospital Chelsea on June 9, 2015 in London, United Kigndom.

Prince Harry attends the Gurkha 200 Pageant at the Royal Hospital Chelsea on June 9, 2015 in London, England.

Prince Philip, Duke of Edinburgh attends the Gurkha 200 Pageant at the Royal Hospital Chelsea on June 9, 2015 in London, England.

Prince Harry attends the Gurkha 200 Pageant at the Royal Hospital Chelsea on June 9, 2015 in London, England.

Prince Harry attends the Gurkha 200 Pageant at the Royal Hospital Chelsea on June 9, 2015 in London, England.

Prince Harry attends the Gurkha 200 Pageant at the Royal Hospital Chelsea on June 9, 2015 in London, England.

The Sultan of Brunei, Hassanal Bolkiah and Queen Elizabeth II attend the Gurkha 200 Pageant at the Royal Hospital Chelsea on June 9, 2015 in London, England.