The Australian Federation Guard fire a 41 gun salute to mark the passing of Prince Philip on the forecourt of Parliament House, in Canberra, Australia, Saturday, April 10, 2021. Prince Philip, the irascible and tough-minded husband of Queen Elizabeth II who spent more than seven decades supporting his wife in a role that mostly defined his life, has died, Buckingham Palace said Friday, April 9. He was 99. (Lukas Coch/AAP Image via AP)
Members of the King's Troop Royal Horse Artillery place empty shells into boxes in advance of firing a 41-round gun salute at Woolwich Barracks, to mark the death of Prince Philip, in London, Saturday, April 10, 2021. Britain's Prince Philip, the irascible and tough-minded husband of Queen Elizabeth II who spent more than seven decades supporting his wife in a role that mostly defined his life, died on Friday. (Daniel Leal-Olivas/Pool Photo via AP)
Members of the 104th Regiment Royal Artillery fire a 41-round gun salute in the grounds of Cardiff Castle, to mark the death of Prince Philip, in Cardiff, Saturday, April 10, 2021. Britain's Prince Philip, the irascible and tough-minded husband of Queen Elizabeth II who spent more than seven decades supporting his wife in a role that mostly defined his life, died on Friday. (Ben Birchall/PA via AP)
A newspaper with a front page photo of Britain's Prince Philip at a newsstand in London, Saturday, April 10, 2021. Britain's Prince Philip, the irascible and tough-minded husband of Queen Elizabeth II who spent more than seven decades supporting his wife in a role that mostly defined his life, died on Friday. (AP Photo/Alberto Pezzali)
People leave flowers near Windsor Castle, one day after the death of Britain's Prince Philip, in Windsor, England, Saturday, April 10, 2021. Britain's Prince Philip, the irascible and tough-minded husband of Queen Elizabeth II who spent more than seven decades supporting his wife in a role that mostly defined his life, died on Friday. (AP Photo/Frank Augstein)
Flower tributes and notes left outside the gates of Windsor Castle, one day after the death of Britain's Prince Philip, in Windsor, England, Saturday, April 10, 2021. Britain's Prince Philip, the irascible and tough-minded husband of Queen Elizabeth II who spent more than seven decades supporting his wife in a role that mostly defined his life, died on Friday. (AP Photo/Frank Augstein)
A woman prepares to place flowers outside Windsor Castle, one day after the death of Britain's Prince Philip, in Windsor, England, Saturday, April 10, 2021. Britain's Prince Philip, the irascible and tough-minded husband of Queen Elizabeth II who spent more than seven decades supporting his wife in a role that mostly defined his life, died on Friday. (AP Photo/Frank Augstein)
People view flower tributes at Cambridge Gate, at Windsor Castle, one day after the death of Britain's Prince Philip, in Windsor, England, Saturday, April 10, 2021. Britain's Prince Philip, the irascible and tough-minded husband of Queen Elizabeth II who spent more than seven decades supporting his wife in a role that mostly defined his life, died on Friday. (AP Photo/Frank Augstein)
Royal Gibraltar Regiment march before firing the Death Gun Salute marking the death of the Duke of Edinburgh in Gibraltar, on Saturday April 10, 2021. Britain's Prince Philip, the irascible and tough-minded husband of Queen Elizabeth II who spent more than seven decades supporting his wife in a role that mostly defined his life, died on Friday. (AP Photo/Javier Fergo)
Maisie Cairns (18 months) stands at the gates of Hillsborough Castle in Belfast, Northern Ireland, Saturday, April 10, 2021. People gathered to pay respect to Britain's Prince Philip who died early Friday. Prince Philip, the irascible and tough-minded husband of Queen Elizabeth II who spent more than seven decades supporting his wife in a role that both defined and constricted his life. (AP Photo/Peter Morrison)
Manchester City players stand for a two minute silence prior to kick off to mark the passing of Prince Philip at the English Premier League soccer match between Manchester City and Leeds United at Etihad Stadium, Manchester, England, Saturday April 10, 2021. (AP Photo/Tim Keeton,Pool)
Members of the Honourable Artillery Company fire a 41-round gun salute from the wharf at the Tower of London, to mark the death of Prince Philip, in London, Saturday, April 10, 2021. Britain's Prince Philip, the irascible and tough-minded husband of Queen Elizabeth II who spent more than seven decades supporting his wife in a role that mostly defined his life, died on Friday. (Dominic Lipinski/PA via AP)
Members of the 105th Regiment Royal Artillery fire a 41-round gun salute at Edinburgh Castle, to mark the death of Prince Philip, in Edinburgh, Saturday, April 10, 2021. Britain's Prince Philip, the irascible and tough-minded husband of Queen Elizabeth II who spent more than seven decades supporting his wife in a role that mostly defined his life, died on Friday. (Andrew Milligan/PA via AP)
This handout photo provided by the Ministry of Defense shows crew members of the HMS Montrose firing a 41-round gun salute to to mark the death of the Duke of Edinburgh, in Duqm, Oman. Britain's Prince Philip, the irascible and tough-minded husband of Queen Elizabeth II who spent more than seven decades supporting his wife in a role that mostly defined his life, died on Friday. (Jay Allen/Ministry of Defense via AP)
A portrait of Britain's Prince Philip is placed with flowers and candles in front of the British embassy in Berlin, Germany, Saturday, April 10, 2021. Britain's Prince Philip, husband of Queen Elizabeth II, who spent more than seven decades supporting his wife in a role that mostly defined his life, died on Friday. (AP Photo/Markus Schreiber)
Soldiers of the Royal Horse Artillery fire a ceremonial gun during the 41 Death Gun salute in memory of Prince Philip at the Royal Artillery barracks in Woolwich, London, Saturday, April 10, 2021. Buckingham Palace officials announced Friday that Prince Philip, the husband of Queen Elizabeth II, has died . He was 99. (AP Photo/Alastair Grant, Pool)
Soldiers of the Royal Horse Artillery fire a ceremonial gun during the 41 Death Gun salute in memory of Prince Philip at the Royal Artillery barracks in Woolwich, London, Saturday, April 10, 2021. Buckingham Palace officials announced Friday that Prince Philip, the husband of Queen Elizabeth II, has died . He was 99. (AP Photo/Alastair Grant, Pool)
Soldiers adjust their hats prior to the 41 gun salute in memory of Prince Philip at the Royal Artillery barracks in Woolwich, London, Saturday, April 10, 2021. Buckingham Palace officials announced Friday that Prince Philip, the husband of Queen Elizabeth II, has died . He was 99. (AP Photo/Alastair Grant, Pool)
Jockey, owners and trainers stand in the parade ring during the two minute silence before the first race on the third day of the Grand National Horse Racing meeting at Aintree racecourse, near Liverpool, England, Saturday April 10, 2021. (AP Photo/Scott Heppell, Pool)
Military teams across the U.K. and on ships at sea fired 41-gun salutes Saturday to mark the death of Prince Philip, honoring the former naval officer who they considered one of their own.
Prince Philip, also known as the Duke of Edinburgh, took part in planning his funeral as well as designing the modified Land Rover that will carry his coffin.
