Dawn Dress Rehearsal for Jubilee

A soldier yawns at a dawn rehearsal for Tuesday's Jubilee procession this morning in London

LONDON, ENGLAND - JUNE 01: A mounted soldier yawns as the military stage a dress rehearsal of the royal carriage procession from Westminster Hall to Buckingham Palace prior to the Diamond Jubilee celebrations this weekend on June 1, 2012 in London, England. Members of the armed forces lined the route of the procession along Whitehall and The Mall which Her Majesty Queen Elizabeth II will travel in the 1902 state landau carriage during the Diamond Jubilee celebrations on June 5, 2012. (Photo by Oli Scarff/Getty Images) — A mounted soldier yawns as the military stage a dress rehearsal of the royal carriage procession from Westminster Hall to Buckingham Palace prior to the Diamond Jubilee celebrations this weekend (Oli Scarff/GettyImages)

Londoners dreams were disturbed by the clattering of hooves this morning, as hundreds of soldiers took part in a dawn rehearsal of the State Procession for the Queen's Diamond Jubilee which will take place on Tuesday.

With the sun barely risen, members of The Household Cavalry Mounted Regiment rode from the Palace of Westminster along Whitehall to Trafalgar Square, then through Admiralty Arch and along the Mall to Buckingham Palace.

LONDON, ENGLAND - JUNE 01: Soldiers stage a dress rehearsal of the royal carriage procession from Westminster Hall to Buckingham Palace prior to the Diamond Jubilee celebrations this weekend on June 1, 2012 in London, England. Members of the armed forces lined the route of the procession along Whitehall and The Mall which Her Majesty Queen Elizabeth II will travel in the 1902 state landau carriage during the Diamond Jubilee celebrations on June 5, 2012. (Photo by Oli Scarff/Getty Images) — Oli Scarff/GettyImages

The King's Troop Royal Horse Artillery simulated firing a 60-gun salute on Horse Guards Parade as some 2,000 servicemen and women took part in the rehearsal.

Mounted soldiers follow a State Coach as they march away from the Houses of Parliament during a full dress rehearsal of a carriage procession between Westminster Hall and Buckingham Palace on June 1, 2012 ahead of the weekend's Diamond Jubilee celebrations. The event began at 05:00 BST on June 1 and saw roads in central London closed off for the rehearsal of the June 5 carriage procession to celebrate 60 years since Britain's Queen Elizabeth II came to the throne. AFP PHOTO / MIGUEL MEDINA (Photo credit should read MIGUEL MEDINA/AFP/GettyImages) — MIGUEL MEDINA/AFP/GettyImages

The State Landau coach which will carry the Queen, above,and below, the Mall.

LONDON, ENGLAND - JUNE 01: Police horses on The Mall bedecked with Union Flags following a dress rehearsal of the royal carriage procession from Westminster Hall to Buckingham Palace prior to the Diamond Jubilee celebrations this weekend on June 1, 2012 in London, England. Members of the armed forces lined the route of the procession along Whitehall and The Mall which Her Majesty Queen Elizabeth II will travel in the 1902 state landau carriage during the Diamond Jubilee celebrations on June 5, 2012. (Photo by Oli Scarff/Getty Images) — Oli Scarff/GettyImages