Britian's Prime Minister Boris Johnson carries a wreath, during the Remembrance Sunday service at the Cenotaph, in Whitehall, London, Sunday Nov. 8, 2020. (Peter Nicholls/Pool Photo via AP)

Representatives of the armed forces wait for the start of the Remembrance Sunday service at the Cenotaph, in Whitehall, London, Sunday Nov. 8, 2020. (Aaron Chown, Pool Photo via AP)

Britian's Prime Minister Boris Johnson carries a wreath, during the Remembrance Sunday service at the Cenotaph, in Whitehall, London, Sunday Nov. 8, 2020. (Peter Nicholls/Pool Photo via AP)

Britain's Camilla, the Duchess of Cornwall and Kate, the Duchess of Cambridge watche from the balcony of the Foreign Office, during the Remembrance Sunday service at the Cenotaph, in Whitehall, London, Sunday Nov. 8, 2020. (Peter Nicholls/Pool Photo via AP)

A giant poppy to mark Remembrance Sunday decorating the stands before the English Premier League soccer match between Leicester City and Wolverhampton Wanderers at the King Power Stadium in Leicester, England, Sunday, Nov. 8, 2020. (AP Photo/Rui Vieira, Pool)

Britain's Prince William looks on, during the Remembrance Sunday service at the Cenotaph, in Whitehall, London, Sunday Nov. 8, 2020. (Chris Jackson/Pool Photo via AP)

Seymour 'Bill' Taylor, 95, from Colchester, who served as an Able Seaman in the Royal Navy onboard HMS Emerald during the D-Day landings joins neighbours in the street to observe the two minutes silence to pay his respects on Remembrance Sunday, in Essex, England, Sunday, Nov. 8, 2020. (Joe Giddens/PA via AP)

Britain's Queen Elizabeth II stands on the balcony of the Foreign Office, during the Remembrance Sunday service at the Cenotaph, in Whitehall, London, Sunday Nov. 8, 2020. (Chris Jackson/Pool Photo via AP)

Members of the Royal Navy march, ahead of the Remembrance Sunday service at the Cenotaph, in Whitehall, London, Sunday Nov. 8, 2020. (Aaron Chown, Pool Photo via AP)

Veterans stand, ahead of the start of the Remembrance Sunday service at the Cenotaph, in Whitehall, London, Sunday Nov. 8, 2020. (Chris Jackson/Pool Photo via AP)

Veterans stand, ahead of the start of the Remembrance Sunday service at the Cenotaph, in Whitehall, London, Sunday Nov. 8, 2020. (Chris Jackson/Pool Photo via AP)

D-Day veteran John Aichison, 96, centre, attends the Remembrance Sunday service at the Cenotaph, in Whitehall, London, Sunday Nov. 8, 2020. (Peter Nicholls/Pool Photo via AP)

Britain's Princess Anne lays a wreath, during the Remembrance Sunday service at the Cenotaph, in Whitehall, London, Sunday Nov. 8, 2020. (Peter Nicholls/Pool Photo via AP)

A small number of serving and former Royal Marine Commandos gather, at the Commando Memorial for the annual Remembrance Sunday ceremony, at Spean Bridge, near Fort William, Scotland, Sunday, Nov. 8, 2020. (Andrew Milligan/PA via AP)

Veteran Charlie MacVicar, who served for 23 years with Royal Scots (Edinburgh Unit) pays his respects at the Royal British Legion Remembrance Garden, on Remembrance Sunday, in Grangemouth, Scotland, Sunday, Nov. 8, 2020. (Jane Barlow/PA via AP)

Veteran Charlie MacVicar, who served for 23 years with the Royal Scots (Edinburgh Unit), walks past the Royal British Legion on his way to lay a wreath at the Remembrance Garden on Remembrance Sunday, in Grangemouth, Scotland, Sunday, Nov. 8, 2020. (Jane Barlow/PA via AP)

A small number of serving and former Royal Marine Commandos gather, at the Commando Memorial for the annual Remembrance Sunday ceremony, at Spean Bridge, near Fort William, Scotland, Sunday, Nov. 8, 2020. (Andrew Milligan/PA via AP)

Arsenal and Aston Villa players observe a moment's silence for Remembrance Sunday before the English Premier League soccer match between Arsenal and Aston Villa at the Emirates stadium in London, Sunday, Nov. 8, 2020. (Richard Heathcote/Pool via AP)

Wolverhampton Wanderers manager Nuno Espirito Santo holds a wreath during remembrance commemorations before the English Premier League soccer match between Leicester City and Wolverhampton Wanderers at King Power Stadium in Leicester, England, Sunday, Nov. 8, 2020. (Tim Keeton/Pool via AP)

A small number of serving and former Royal Marine Commandos gather, at the Commando Memorial for the annual Remembrance Sunday ceremony, at Spean Bridge, near Fort William, Scotland, Sunday, Nov. 8, 2020. (Andrew Milligan/PA via AP)

A member of the armed forces is carried away on a stretcher , during the Remembrance Sunday service at the Cenotaph, in Whitehall, London, Sunday Nov. 8, 2020. (Arthur Edwards/Pool Photo via AP)