Prince Philip, who was due to turn 100 on June 10 this year, visited Australia on more than 20 occasions during his life.
They will be followed by the Major General's Party, and then the Service Chiefs, reflecting His Royal Highness's close relationship with the military.
Minute guns will be fired by the King's Troop Royal Horse Artillery from the east lawn of Windsor Castle for the duration of the procession, and the Curfew Tower Bell will toll.
And few could ever forget that tragically killed Diana, Princess of Wales.
When Queen Elizabeth passes away, she is also expected to be buried in Windsor, but it might not be next to Philip.
Where is Princess Margaret buried? King George's body was the only one there until the death of his wife, The Queen Mother, in 2002.