Britain's Camilla, Duchess of Cornwall visits the Field of Remembrance at Westminster Abbey, London, Britain November 4, 2020. Eddie Mullholland/Pool via REUTERS

Britain's former Prime Minister Theresa May stands behind Prime Minister Boris Johnson during a National Service of Remembrance at the Cenotaph in Westminster, amid the spread of coronavirus (COVID-19) disease, London, Britain November 8, 2020.

People and veterans stand at the Peterborough War Memorial ahead of a remembrance service in Peterborough, Britain, November 8, 2020.

Veterans stand in front of the Commando Memorial during the Remembrance Day, in Spean Bridge, Scotland, Britain, November 8, 2020.

Chelsea pensioners watch a Remembrance Sunday service from their windows at the Royal Hospital Chelsea, amid the coronavirus disease (COVID-19) outbreak, in London, Britain, November 8, 2020.

The Field of Remembrance is pictured in Westminster Abbey dedicated to armed forces from Britain and Commonwealth countries who have died during conflict, London, Britain, November 4, 2020.

British Prime Minister Boris Johnson holds a wreath during the National Service of Remembrance at The Cenotaph on Whitehall in London, Britain November 8, 2020. Aaron Chown/PA Wire/Pool via REUTERS

Britain's Prime Minister Boris Johnson with partner Carrie Symonds speak with D-Day veteran John Aitchison, 96, during the National Service of Remembrance at The Cenotaph on Whitehall amid the coronavirus pandemic in London, Britain November 8, 2020. Chris Jackson/Pool via REUTERS

A veteran stands with his head down in front of the Commando Memorial during the Remembrance Day, in Spean Bridge, Scotland, Britain, November 8, 2020.

The very reverend, Dean of Peterborough Chris Dalliston speaks at the altar during a socially distanced Remembrance Day service in Peterborough Cathedral, in Peterborough, Britain, November 8, 2020.

Britain's Catherine, Duchess of Cambridge and Camilla, Duchess of Cornwall attend the National Service of Remembrance at The Cenotaph amid the coronavirus pandemic on Whitehall in London, Britain November 8, 2020. Aaron Chown/PA Wire/Pool via REUTERS

The Queen's Equerry, Lieutenant Colonel Nana Kofi Twumasi-Ankrah, places a bouquet of flowers at the grave of the Unknown Warrior on behalf of Queen Elizabeth (centre), during a ceremony in London's Westminster Abbey to mark the centenary of the burial of the Unknown Warrior, in Britain November 4, 2020. Picture taken November 4, 2020. Aaron Chown/Pool via REUTERS

Britain's Prince Charles lays a wreath at The Cenotaph during the National Service of Remembrance amid the coronavirus pandemic on Whitehall in London, Britain November 8, 2020. Ian Vogler/Pool via REUTERS

A Chelsea Pensioner wears a protective face mask while attending a Remembrance Sunday service at Royal Hospital Chelsea, amid the coronavirus disease (COVID-19) outbreak, in London, Britain, November 8, 2020.

British Royal Navy members march during the National Service of Remembrance at The Cenotaph amid the coronavirus pandemic on Whitehall in London, Britain November 8, 2020. Aaron Chown/PA Wire/Pool via REUTERS

A general view during a National Service of Remembrance at the Cenotaph in Westminster, amid the spread of coronavirus (COVID-19) disease, London, Britain November 8, 2020.

A man holds poppy wreaths near the Heston War Memorial during the Remembrance Day, in London, Britain November 8, 2020.

Britain's Prince Charles and Prince William attend the National Service of Remembrance at The Cenotaph on Whitehall amid the coronavirus pandemic in London, Britain November 8, 2020. Arthur Edwards/Pool via REUTERS

A poppy display is seen as part of remembrance commemorations in the Parish Church of St Peter & St Paul in Chatteris, Britain, November 4, 2020.

Britain's Prince Edward lays a poppy wreath during a National Service of Remembrance at the Cenotaph in Westminster, amid the spread of coronavirus (COVID-19) disease, London, Britain November 8, 2020.

Queen Elizabeth attends a ceremony in London's Westminster Abbey to mark the centenary of the burial of the Unknown Warrior, in Britain November 4, 2020. Picture taken November 4, 2020. Aaron Chown/Pool via REUTERS

A veteran holds a British flag at the Peterborough War Memorial ahead of a remembrance service in Peterborough, Britain, November 8, 2020.

Britain's Queen Elizabeth attends the National Service of Remembrance at The Cenotaph during the coronavirus pandemic on Whitehall in London, Britain November 8, 2020. Chris Jackson/Pool via REUTERS

A sign of 45 Commando Veterans is pictured on a poppy wreath at the Commando Memorial during the Remembrance Day, in Spean Bridge, Scotland, Britain, November 8, 2020.

Dignitaries gather to pay respect to service members who fought in the two World Wars and subsequent conflicts at the National Memorial Arboretum amid the coronavirus pandemic in Stafford, Britain November 8, 2020. Christopher Furlong/Pool via REUTERS