The British and Japanese national flags are held by soldiers as British Defence Secretary Ben Wallace inspects a Guard of Honor before a bilateral meeting with Japan’s Defense Minister Yasukazu Hamada, in Tokyo, Japan March 16, 2023. Takashi Aoyama/Pool via REUTERS 

The Japanese and British national flags fly together in Tokyo, Japan March 16, 2023. Takashi Aoyama/Pool via REUTERS 

Members of the U.S. Navy stand beneath Australian, British and U.S. flags, as they await U.S President Joe Biden, on the day of a trilateral meeting between President Biden, Australian Prime Minister Anthony Albanese and British Prime Minister Rishi Sunak at Naval Base Point Loma in San Diego, California U.S. March 13, 2023. REUTERS/Leah Millis 

Ukrainian personnel pose with a flag on top of a Challenger 2 tank during a training at Bovington Camp, near Wool in southwestern Britain, February 22, 2023. REUTERS/Toby Melville 

Ukrainian personnel hold a Ukrainian flag as they stand on a Challenger 2 tank during training at Bovington Camp, near Wool in southwestern Britain, February 22, 2023. REUTERS/Toby Melville 

Ukrainian personnel hold a Ukrainian flag as they stand on a Challenger 2 tank during training at Bovington Camp, near Wool in southwestern Britain, February 22, 2023. REUTERS/Toby Melville 

Ukrainian personnel hold a Ukrainian flag as they pose on top of a Challenger 2 tank during training at Bovington Camp, near Wool in southwestern Britain, February 22, 2023. REUTERS/Toby Melville 

Ukrainian personnel hold a Ukrainian flag as they stand on a Challenger 2 tank during training at Bovington Camp, near Wool in southwestern Britain, February 22, 2023. REUTERS/Toby Melville 

Ukrainian personnel hold a Ukrainian flag as they stand on a Challenger 2 tank during training at Bovington Camp, near Wool in southwestern Britain, February 22, 2023. REUTERS/Toby Melville TPX IMAGES OF THE DAY 

Members of Ukrainian troops hold a Ukrainian flag as they stand in a Challenger 2 tank during training at Bovington Camp, near Wool in southwestern Britain, February 22, 2023. REUTERS/Toby Melville 

An artist performs with a British flag during the opening of British Culture Week in Havana, Cuba, February 21, 2023. REUTERS/Alexandre Meneghini 

A test tube labelled "Bird Flu", eggs and a piece of paper in the colours of the British national flag are seen in this picture illustration, January 14, 2023. REUTERS/Dado Ruvic/Illustration 

Test tubes labelled "Bird Flu" and a piece of paper in the colours of the British national flag are seen in this picture illustration, January 14, 2023. REUTERS/Dado Ruvic/Illustration 

A pro-Scottish independence campaigner poses with a Scottish flag outside the United Kingdom Supreme Court in a case to decide whether the Scottish government can hold a second referendum on independence next year without approval from the British parliament, in London, Britain November 23, 2022. REUTERS/Peter Nicholls 

British flags flutter as troops of NATO Enhanced Forward Presence battle groups prepare for live fire exercise, during Iron Spear 2022 military drill in Adazi, Latvia November 15, 2022. REUTERS/Ints Kalnins 

A British Union Jack flag is removed from an office during bilateral talks at a G-7 foreign ministers meeting in Muenster, Germany, November 3, 2022. REUTERS/Wolfgang Rattay/Pool 

A Scottish Saltire flag is flown as pro-Scottish independence campaigners protest outside of the United Kingdom Supreme Court whilst a case continues to decide whether the Scottish government can hold a second referendum on independence next year without approval from the British parliament, in London, Britain, October 11, 2022. REUTERS/Toby Melville 

A Scottish Saltire flag is flown as pro-Scottish independence campaigners protest outside of the United Kingdom Supreme Court whilst a case continues to decide whether the Scottish government can hold a second referendum on independence next year without approval from the British parliament, in London, Britain, October 11, 2022. REUTERS/Toby Melville 

A Scottish Saltire flag is flown as pro-Scottish independence campaigners protest outside of the United Kingdom Supreme Court whilst a case continues to decide whether the Scottish government can hold a second referendum on independence next year without approval from the British parliament, in London, Britain, October 11, 2022. REUTERS/Toby Melville 

A Scottish Saltire flag is flown as pro-Scottish independence campaigners protest outside of the United Kingdom Supreme Court whilst a case continues to decide whether the Scottish government can hold a second referendum on independence next year without approval from the British parliament, in London, Britain, October 11, 2022. REUTERS/Toby Melville 

A portrait of Britain's Queen Elizabeth with British and Maltese flags adorn a balcony on a residence in Sliema, Malta September 19, 2022. REUTERS/Darrin Zammit Lupi 

A portrait of Britain's Queen Elizabeth with British and Maltese flags adorn a balcony on a residence in Sliema, Malta September 19, 2022. REUTERS/Darrin Zammit Lupi 

A man watches a live retransmission of the funeral of Britain's Queen Elizabeth with a candle and a Union Jack flag, outside the British Consulate-General, in Hong Kong, China September 19, 2022. REUTERS/Tyrone Siu 

A woman walks with a candle and a Union Jack flag, during the funeral of Britain's Queen Elizabeth, outside the British Consulate-General, in Hong Kong, China September 19, 2022. REUTERS/Tyrone Siu 

A person wearing a suit in the colours of the British flag queues to pay respects to the Queen, as the coffin of Britain's Queen Elizabeth lies in state at Westminster Hall, in London, Britain, September 14, 2022. REUTERS/Carlos Barria 

A person wearing a suit in the colours of the British flag queues to pay respects to the Queen, as the coffin of Britain's Queen Elizabeth lies in state at Westminster Hall, in London, Britain, September 14, 2022. REUTERS/Kai Pfaffenbach 

A woman poses with colonial flag of Hong Kong as she pay tribute to Britain's Queen Elizabeth outside the British Consulate-General, after she died aged 96, in Hong Kong, China September 12, 2022. REUTERS/Tyrone Siu 

Colonial flag of Hong Kong and images of Britain's Queen Elizabeth are placed outside the British Consulate-General, after she died aged 96, in Hong Kong, China September 12, 2022. REUTERS/Tyrone Siu 

A man holds a Union Jack flag as he queue up to pay tribute to Queen Elizabeth outside the British Consulate-General, after she died aged 96, in Hong Kong, China September 12, 2022. REUTERS/Tyrone Siu 

Flags and a picture of Queen Elizabeth are placed outside the British Consulate-General, after she died aged 96, in Hong Kong, China September 12, 2022. REUTERS/Tyrone Siu 

A child waves the British flag outside Buckingham Palace following the passing of Britain's Queen Elizabeth, in London, Britain September 11, 2022. REUTERS/John Sibley 

A child waves the British flag outside Buckingham Palace following the passing of Britain's Queen Elizabeth, in London, Britain September 11, 2022. REUTERS/John Sibley 

A general view of the British flag flying full-mast at the Balmoral Hotel, after the Proclamation of Britain's King Charles, following the passing of Britain's Queen Elizabeth, in Edinburgh, Britain, September 10, 2022.REUTERS/Lee Smith 

A general view of the British flag flying full-mast at the Balmoral Hotel, after the Proclamation of Britain's King Charles, following the passing of Britain's Queen Elizabeth, in Edinburgh, Britain, September 10, 2022.REUTERS/Lee Smith REFILE- CORRECTING LOCATION 

Thai and British national flags are lowered to half-mast next with a portrait of the late Britain's Queen Elizabeth after she died aged 96, at the British Embassy in Bangkok, Thailand, September 10, 2022. REUTERS/Athit Perawongmetha 

British flag flies half-mast at the British Consulate, following the passing of Britain's Queen Elizabeth, in Istanbul, Turkey September 9, 2022. REUTERS/Dilara Senkaya 

British flag flies half-mast at the British Consulate, following the passing of Britain's Queen Elizabeth, in Istanbul, Turkey September 9, 2022. REUTERS/Dilara Senkaya 

The British flag is seen flying at half mast, following the passing of Queen Elizabeth, at the British High Commission headquarters in Abuja, Nigeria September 9, 2022. REUTERS/Afolabi Sotunde 

Britain's flag flies at half mast following the passing of Queen Elizabeth, at the British Council in Dubai, United Arab Emirates, September 9, 2022. REUTERS/Abdel Hadi Ramahi 

A British and Welsh flag fly at half mast at the entrance to a caravan park, near Tenby, Wales, Britain September 9, 2022. REUTERS/Rebecca Naden 

A British and Welsh flag fly at half mast at the entrance to a caravan park, near Tenby, Wales, Britain September 9, 2022. REUTERS/Rebecca Naden 

The British flag flies half-mast on the roof of British High Commissioner's residence following the death of Queen Elizabeth, in New Delhi, India, September 9, 2022. REUTERS/Adnan Abidi 

People have their picture taken outside of the British embassy with British, Canadian and Australian flags flying at half mast after the death of Queen Elizabeth, Britain's longest-reigning monarch, in Madrid, Spain, September 9, 2022. REUTERS/Susana Vera 

A pedestrian walks past the British embassy with British, Canadian and Australian flags flying at half mast after the death of Queen Elizabeth, Britain's longest-reigning monarch, in Madrid, Spain, September 9, 2022. REUTERS/Susana Vera 

The British, Canadian and Australian flags fly at half mast outside the British embassy after the death of Queen Elizabeth, Britain's longest-reigning monarch, in Madrid, Spain, September 9, 2022. REUTERS/Susana Vera 

The British flag flies half-mast on the roof of British high commissioner's house, following the death of Queen Elizabeth, in New Delhi, India, September 9, 2022. REUTERS/Adnan Abidi 

The British flag flies half mast on the roof of Buckingham Palace, following the passing of Queen Elizabeth, in London, Britain, September 9, 2022. REUTERS/John Sibley 

The British flag flies half mast on the roof of Buckingham Palace, following the passing of Queen Elizabeth, in London, Britain, September 9, 2022. REUTERS/John Sibley 

A woman walks past the British national flag flying at half mast at the British high commission following the death of Queen Elizabeth, in Colombo, Sri Lanka, September 9, 2022. REUTERS/ Dinuka Liyanawatte 

A person poses for a picture with a British flag that has Queen Elizabeth’s photograph, outside a restaurant in New York, U.S., September 8, 2022. REUTERS/Amr Alfiky 

The British flag is lowered to half staff, following the announcement of the death of Queen Elizabeth, at the British Embassy in Washington, U.S., September 8, 2022. REUTERS/Tom Brenner 

British flag flies atop of Buckingham Palace, following statement from the Palace over concerns for Britain's Queen Elizabeth's health, in London, Britain September 8, 2022. REUTERS/Toby Melville 

Ukrainian flags fly from British government buildings on Ukraine's Independence Day, with the London Eye seen behind, in London, Britain, August 24, 2022. REUTERS/Toby Melville 

Ukrainian flags fly from British government buildings on Ukraine's Independence Day, with the London Eye seen behind, in London, Britain, August 24, 2022. REUTERS/Toby Melville 

Ukrainian flags fly from British government buildings on Ukraine's Independence Day, with the London Eye and a passenger plane seen behind, in London, Britain, August 24, 2022. REUTERS/Toby Melville 

A yellow flag marks soil testing for contaminants, a year after a wildfire destroyed the western Canadian village of Lytton, British Columbia, Canada, July 25, 2022. REUTERS/Jennifer Gauthier 

A man wearing a face mask adorned with Chinese and Hong Kong flags holds a child, on the 25th anniversary of the former British colony's handover to Chinese rule, in Hong Kong, China July 1, 2022. REUTERS/Paul Yeung 

Children wearing traditional Chinese costumes wave Chinese and Hong Kong flags as they sing on the 25th anniversary of the former British colony's handover to Chinese rule, in Hong Kong, China July 1, 2022. REUTERS/Paul Yeung 

People wearing traditional Chinese costumes wave Chinese and Hong Kong flags as they sing on the 25th anniversary of the former British colony's handover to Chinese rule, in Hong Kong, China July 1, 2022. REUTERS/Paul Yeung 

People holding a Chinese flag pose for pictures with skyscrapers in the background, on the 25th anniversary of the former British colony's handover to Chinese rule, in Hong Kong, China July 1, 2022. REUTERS/Paul Yeung