FILE – In this June 19, 1962 file photo, Britain’s Prince Philip and his wife Queen Elizabeth II arrive at Royal Ascot race meeting, England. Buckingham Palace says Prince Philip, husband of Queen Elizabeth II, has died aged 99. Buckingham Palace says Prince Philip, husband of Queen Elizabeth II, has died aged 99. (AP Photo/File)

FILE – In this Nov. 9, 2006 file photo, Britain’s Prince Philip shares a joke with a war veteran, following a ceremony for the Opening of the Field of Remembrance, on the grounds of the Westminster Abbey, in central London. Buckingham Palace says Prince Philip, husband of Queen Elizabeth II, has died aged 99. (AP Photo/Lefteris Pitarakis, File)

FILE – In this Monday June 8, 2015 file photo, Britain’s Prince Philip, the husband of Queen Elizabeth II, unveils a plaque at the end of his visit to Richmond Adult Community College in Richmond, south west London. Buckingham Palace says Prince Philip, husband of Queen Elizabeth II, has died aged 99.(AP Photo/Matt Dunham, Pool, File)

FILE – In this Nov. 20, 1947 file photo, Princess Elizabeth and her husband the Duke of Edinburgh pose with royal guests after their wedding, at Buckingham Palace in London, England. Buckingham Palace says Prince Philip, husband of Queen Elizabeth II, has died aged 99. (AP Photo/File)

FILE – This file photo dated July 10, 1947 shows the official photograph of Britain’s Princess Elizabeth and her fiance, Lieut. Philip Mountbatten in London. Buckingham Palace says Prince Philip, husband of Queen Elizabeth II, has died aged 99. (AP Photo/File)

FILE – In this June 2, 1953 file photo, Britain’s Queen Elizabeth II and her husband, the Duke of Edinburgh, wave from the balcony of Buckingham Palace, London, following the Queen’s coronation at Westminster Abbey. Buckingham Palace says Prince Philip, husband of Queen Elizabeth II, has died aged 99. (AP Photo/Leslie Priest, File)

FILE – In this Nov. 23, 1955 file photo, Elizabeth Taylor curtsies as she is greeted by the Duke of Edinburgh at the premiere of “Cockleshell Heroes” at the Empire Theater in London. To the left of Elizabeth Taylor is her husband Michael Wilding and at his right is actress Jackie Lane. Buckingham Palace says Prince Philip, husband of Queen Elizabeth II, has died aged 99. (AP Photo/File)

FILE – In this June 15, 1998 file photo, Britain’s Queen Elizabeth II and her husband Prince Philip, right, lead the annual procession of members of the Order of the Garter from Windsor Castle to St. George’s Chapel in Windsor, England. Buckingham Palace says Prince Philip, husband of Queen Elizabeth II, has died aged 99. (AP Photo/Alastair Grant, File)

FILE – In this July 31, 1947 file photo, Lt. Philip Mountbatten, whose marriage to Princess Elizabeth has been set for November 20, bats at the nets during cricket practice at the Petty Officers’ Training Center, Corsham, England. Buckingham Palace says Prince Philip, husband of Queen Elizabeth II, has died aged 99. (AP Photo/File)

FILE – In this Jan. 21, 1959 file photo, India’s Prime Minister Jawaharlal Nehru welcomes Britain’s Prince Philip to New Delhi, India. The Prince is on the first stage of his round-the-world-tour and is scheduled to spend two weeks in India on the first stage of his 36,000-mile tour. Buckingham Palace says Prince Philip, husband of Queen Elizabeth II, has died aged 99. (AP Photo/File)

FILE – In this June 20, 1965 file photo, Britain’s Prince Philip pulls his mount up sharp during a polo match at Windsor, England. His team won the match. Buckingham Palace says Prince Philip, husband of Queen Elizabeth II, has died aged 99. (AP Photo/File)

FILE – In this Thursday June, 16, 2011 file photo Britain’s Queen Elizabeth II with Prince Philip arrive by horse drawn carriage in the parade ring on the third day, traditionally known as Ladies Day, of the Royal Ascot horse race meeting at Ascot, England. Buckingham Palace says Prince Philip, husband of Queen Elizabeth II, has died aged 99. (AP Photo/Alastair Grant, File)

FILE – In this Wednesday, May 17, 1989 file photo, Britain’s Prince Philip talks with former US President Ronald Reagan, right, and his wife Nancy Reagan prior to a dinner in Beverly Hills, Calif. The Prince presented the Winston Churchill Award to the former president. Buckingham Palace says Prince Philip, husband of Queen Elizabeth II, has died aged 99. (AP Photo/Doug Pizac, File)

FILE – In this Wednesday, Oct. 15, 1977 file photo, Britain’s Queen Elizabeth II and Prince Philip wave to young people at Nassau’s Clifford Park after their arrival in Nassau, Bahamas. Buckingham Palace says Prince Philip, husband of Queen Elizabeth II, has died aged 99. (AP Photo/File)

FILE – In this Sunday June 3, 2012 file photo, Britain’s Queen Elizabeth II and her husband Prince Philip watches the proceedings from the royal barge during the Diamond Jubilee Pageant on the River Thames in London. Buckingham Palace says Prince Philip, husband of Queen Elizabeth II, has died aged 99.(AP Photo/John Stillwell, Pool, File)

FILE – In this Saturday, June 14, 2014 file photo, Britain’s Queen Elizabeth II, accompanied by members of her family appear on the balcony of Buckingham Palace, during the Trooping The Colour parade, in central London. From left, Duchess of Cornwall, Prince Charles, Princess Eugenie, Sophie, the Duchess of Wessex, Prince Philip, Prince Edward, Prince Harry, Kate, Duchess of Cambridge and Prince William. Buckingham Palace says Prince Philip, husband of Queen Elizabeth II, has died aged 99. (AP Photo/Lefteris Pitarakis, File)

FILE – In this Wednesday Aug. 2, 2017 file photo, Britain’s Prince Philip, in his role as Captain General of the Royal Marines, attends a Parade on the forecourt of Buckingham Palace, in central London. Buckingham Palace says Prince Philip, husband of Queen Elizabeth II, has died aged 99. (Hannah McKay/Pool via AP, File)

FILE – In this Wednesday, May 9, 2012 file photo, Britain’s Queen Elizabeth II sits next to Prince Philip in the House of Lords as she waits to read the Queen’s Speech to lawmakers in London. Buckingham Palace says Prince Philip, husband of Queen Elizabeth II, has died aged 99. (AP Photo/Alastair Grant, File)

FILE – This Aug. 29, 1945 file photo shows Prince Philip of Greece, during a naval visit to Melbourne, Australia. Buckingham Palace says Prince Philip, husband of Queen Elizabeth II, has died aged 99. (AP Photo/File)

FILE – In this June 10, 1956 file photo, the Duke of Edinburgh poses for a photo as he observes his 35th birthday anniversary in Buckingham Palace, London. Buckingham Palace says Prince Philip, husband of Queen Elizabeth II, has died aged 99. (AP Photo/File)

FILE – In this April 11, 1956 file photo the Duke of Edinburgh controls a Blackburn military transport plane a few minutes before a fire extinguisher burst and filled the cockpit with choking fumes. Buckingham Palace says Prince Philip, husband of Queen Elizabeth II, has died aged 99. (AP Photo/File)