The RCMP who have been invited by the Queen to act as her personal bodyguard in the run up to the Jubilee, are preparing for the Changing of the Queen's Guard ceremony which they will participate in on May 23 and 25, when they will ride alongside the Household Cavalry.

REUTERS/Paul Hackett
Captain Richard Chambers (R), riding master of the Household Cavalry, takes Royal Canadian Mounted Police for a training session in Hyde Park, London, May 22, 2012.

AP Photo/Kirsty Wigglesworth
Royal Canadian Mounted Police Sergeant Major Bill Stewart, left, talks with Staff Corporal Rupert Hackman of the Household Cavalry at Hyde Park Barracks in Hyde Park in London, May 22, 2012.

REUTERS/Paul Hackett
Officers of the Royal Canadian Mounted Police take part in a training session in Hyde Park, London, May 22, 2012.

Dan Kitwood/Getty Images
The RCMP who have been invited by the Queen to act as her personal bodyguard in the run up to the Jubilee, are preparing for the Changing of the Queen's Guard ceremony which they will participate in on May 23 and 25, when they will ride alongside the Household Cavalry.

Dan Kitwood/Getty Images
Royal Canadian Mounted Police (RCMP) train in Hyde Park on horses from the Household Cavalry on May 22, 2012 in London, England.

Dan Kitwood/Getty Images
Royal Canadian Mounted Police (RCMP) train in Hyde Park on horses from the Household Cavalry on May 22, 2012 in London, England.