A member of the Honour Guard attends a first graduation ceremony of Ukrainian Army chaplains, as Russia's attack on Ukraine continues, at the Saint Sophia Cathedral in Kyiv, Ukraine April 1, 2023. REUTERS/Gleb Garanich 

Members of the Honour Guard prepare to a rising ceremony of the Ukraine's national flag during a ceremony to mark the first anniversary of liberation the town of Bucha, as Russia's invasion of Ukraine continues, outside Kyiv, Ukraine March 31, 2023. REUTERS/Gleb Garanich 

Members of the Honour Guard attend a rising ceremony of the Ukraine's national flag during a ceremony to mark the first anniversary of liberation the town of Bucha, as Russia's invasion of Ukraine continues, outside Kyiv, Ukraine March 31, 2023. REUTERS/Gleb Garanich 

Members of the Honour Guard attend a rising ceremony of the Ukraine's national flag during a ceremony to mark the first anniversary of liberation the town of Bucha, as Russia's invasion of Ukraine continues, outside Kyiv, Ukraine March 31, 2023. REUTERS/Gleb Garanich 

A member of the Honour Guard prepares to a rising ceremony of the Ukraine's national flag during a ceremony to mark the first anniversary of liberation the town of Bucha, as Russia's invasion of Ukraine continues, outside Kyiv, Ukraine March 31, 2023. REUTERS/Gleb Garanich 

A member of the Honour Guard prepares to a rising ceremony of the Ukraine's national flag during a ceremony to mark the first anniversary of liberation the town of Bucha, as Russia's invasion of Ukraine continues, outside Kyiv, Ukraine March 31, 2023. REUTERS/Gleb Garanich TPX IMAGES OF THE DAY 

A guard of honour waits for Britain's King Charles III at a ceremonial welcome at Brandenburg Gate in Berlin, on March 29, 2023. ADRIAN DENNIS/Pool via REUTERS 

Britain's King Charles III inspect a guard of honour during a ceremonial welcome at Brandenburg Gate in Berlin, on March 29, 2023. ADRIAN DENNIS/Pool via REUTERS 

Britain's King Charles III and German President Frank-Walter Steinmeier inspect a guard of honour during a ceremonial welcome at Brandenburg Gate in Berlin, on March 29, 2023. ADRIAN DENNIS/Pool via REUTERS 

Britain's King Charles III and German President Frank-Walter Steinmeier inspect a guard of honour during a ceremonial welcome at Brandenburg Gate in Berlin, on March 29, 2023. ADRIAN DENNIS/Pool via REUTERS 

German marine honour guard rehearse before arrival of Britain's King Charles and Camilla, the Queen Consort at Berlin Brandenburg Airport 'Willy Brandt' in Berlin, Germany, March 29, 2023. REUTERS/Michele Tantussi 

German marine honour guard rehearse before arrival of Britain's King Charles and Camilla, the Queen Consort at Berlin Brandenburg Airport 'Willy Brandt' in Berlin, Germany, March 29, 2023. REUTERS/Michele Tantussi 

German marine honour guard rehearse before arrival of Britain's King Charles and Camilla, the Queen Consort at Berlin Brandenburg Airport 'Willy Brandt' in Berlin, Germany, March 29, 2023. REUTERS/Michele Tantussi 

German marine honour guard rehearse before arrival of Britain's King Charles and Camilla, the Queen Consort at Berlin Brandenburg Airport 'Willy Brandt' in Berlin, Germany, March 29, 2023. REUTERS/Michele Tantussi 

German marine honour guard rehearse before arrival of Britain's King Charles and Camilla, the Queen Consort at Berlin Brandenburg Airport 'Willy Brandt' in Berlin, Germany, March 29, 2023. REUTERS/Michele Tantussi 

Belgium's King Philippe inspects the guard of honour during the Royal couple's State Visit at the Union Buildings in Pretoria, South Africa March 23, 2023. REUTERS/Alet Pretorius 

Belgium's King Philippe inspects the guard of honour during the Royal couple's State Visit at the Union Buildings in Pretoria, South Africa March 23, 2023. REUTERS/Alet Pretorius 

Belgium's King Philippe inspects the guard of honour during the Royal couple's State Visit at the Union Buildings in Pretoria, South Africa March 23, 2023. REUTERS/Alet Pretorius 

German President Frank-Walter Steinmeier and newly elected Czech President Petr Pavel inspect the honour guard in the courtyard of the Bellevue Palace in Berlin, Germany March 21, 2023. REUTERS/Michele Tantussi 

German President Frank-Walter Steinmeier and newly elected Czech President Petr Pavel inspect the honour guard in the courtyard of the Bellevue Palace in Berlin, Germany March 21, 2023. REUTERS/Michele Tantussi 

German President Frank-Walter Steinmeier and newly elected Czech President Petr Pavel inspect the honour guard in the courtyard of the Bellevue Palace in Berlin, Germany March 21, 2023. REUTERS/Michele Tantussi 

German President Frank-Walter Steinmeier and newly elected Czech President Petr Pavel inspect the honour guard in the courtyard of the Bellevue Palace in Berlin, Germany March 21, 2023. REUTERS/Michele Tantussi 

German President Frank-Walter Steinmeier and newly elected Czech President Petr Pavel inspect the honour guard in the courtyard of the Bellevue Palace in Berlin, Germany March 21, 2023. REUTERS/Michele Tantussi 

German President Frank-Walter Steinmeier and newly elected Czech President Petr Pavel inspect the honour guard in the courtyard of the Bellevue Palace in Berlin, Germany March 21, 2023. REUTERS/Michele Tantussi 

German President Frank-Walter Steinmeier and newly elected Czech President Petr Pavel inspect the honour guard in the courtyard of the Bellevue Palace in Berlin, Germany March 21, 2023. REUTERS/Michele Tantussi 

German President Frank-Walter Steinmeier and newly elected Czech President Petr Pavel inspect the honour guard in the courtyard of the Bellevue Palace in Berlin, Germany March 21, 2023. REUTERS/Michele Tantussi 

German President Frank-Walter Steinmeier and newly elected Czech President Petr Pavel inspect the honour guard in the courtyard of the Bellevue Palace in Berlin, Germany March 21, 2023. REUTERS/Michele Tantussi 

German Defence Minister Boris Pistorius (3rd L) reviews an honour guard with Japan's Defense Minister Yasukazu Hamada (2nd L) before their bilateral meeting at the Defence Ministry in Tokyo, Japan March 18, 2023. REUTERS/Issei Kato/Pool 

German Defence Minister Boris Pistorius (R) reviews an honour guard before a bilateral meeting with Japan's Defense Minister Yasukazu Hamada (not in picture) at the Defence Ministry in Tokyo, Japan March 18, 2023. REUTERS/Issei Kato/Pool 

Tanzania's President Dr Samia Suluhu Hassan inspects a guard of honour during her State visit at the Union Buildings in Pretoria, South Africa March 16, 2023. REUTERS/Alet Pretorius 

Italian Prime Minister Giorgia Meloni and Israeli Prime Minister Benjamin Netanyahu review the honour guard as they meet at Palazzo Chigi, in Rome, Italy, March 10, 2023. REUTERS/Guglielmo Mangiapane 

Italian Prime Minister Giorgia Meloni and Israeli Prime Minister Benjamin Netanyahu review the honour guard as they meet at Palazzo Chigi, in Rome, Italy, March 10, 2023. REUTERS/Guglielmo Mangiapane 

Italian Prime Minister Giorgia Meloni and Israeli Prime Minister Benjamin Netanyahu review the honour guard as they meet at Palazzo Chigi, in Rome, Italy, March 10, 2023. REUTERS/Guglielmo Mangiapane 

Italian Prime Minister Giorgia Meloni and Israeli Prime Minister Benjamin Netanyahu review the honour guard as they meet at Palazzo Chigi, in Rome, Italy, March 10, 2023. REUTERS/Guglielmo Mangiapane 

Australian Prime Minister Anthony Albanese inspects an honour guard during his ceremonial reception at the forecourt of India's Rashtrapati Bhavan Presidential Palace in New Delhi, India, March 10, 2023. REUTERS/Altaf Hussain 

Australian Prime Minister Anthony Albanese walks after inspecting an honour guard during his ceremonial reception at the forecourt of India's Rashtrapati Bhavan Presidential Palace in New Delhi, India, March 10, 2023. REUTERS/Altaf Hussain 

Italian Prime Minister Giorgia Meloni walks after inspecting a guard of honour during her ceremonial reception at the forecourt of India's Presidential Palace Rashtrapati Bhavan in New Delhi, India March 2, 2023. REUTERS/Altaf Hussain 

Italian Prime Minister Giorgia Meloni inspects a guard of honour during her ceremonial reception at the forecourt of India's Presidential Palace Rashtrapati Bhavan in New Delhi, India, March 2, 2023. REUTERS/Altaf Hussain 

Ugandan President Yoweri Museveni inspects the guard of honour during his State visit at the Union Buildings in Pretoria, South Africa February 28, 2023. REUTERS/Alet Pretorius 

Ugandan President Yoweri Museveni inspects the guard of honour during his State visit at the Union Buildings in Pretoria, South Africa February 28, 2023. REUTERS/Alet Pretorius 

Kazakh honour guards wait before a meeting of U.S. Secretary of State Antony Blinken with Kazakh President Kassym-Jomart Tokayev in Astana, Kazakhstan, February 28, 2023. Olivier Douliery/Pool via REUTERS 

German Chancellor Olaf Scholz inspects a guard of honour during his ceremonial reception at the Forecourt of India's Rashtrapati Bhavan Presidential Palace in New Delhi, India, February 25, 2023. REUTERS/Adnan Abidi 

German Chancellor Olaf Scholz inspects a guard of honour during his ceremonial reception at the Forecourt of India's Rashtrapati Bhavan Presidential Palace in New Delhi, India, February 25, 2023. REUTERS/Adnan Abidi 

An honour guard takes part in a ceremony marking the Defender of the Fatherland Day in Tiraspol, Moldova's breakaway region of Transdniestria, February 23, 2023. REUTERS/Vladislav Bachev 

Honour guards take part in a ceremony marking the Defender of the Fatherland Day in Tiraspol, Moldova's breakaway region of Transdniestria, February 23, 2023. REUTERS/Vladislav Bachev 

Honour guards take part in a ceremony marking the Defender of the Fatherland Day in Tiraspol, Moldova's breakaway region of Transdniestria, February 23, 2023. REUTERS/Vladislav Bachev 

Honour guards take part in a ceremony marking the Defender of the Fatherland Day in Tiraspol, Moldova's breakaway region of Transdniestria, February 23, 2023. REUTERS/Vladislav Bachev 

Members of the Honour Guard stand next to the Saint Michael's cathedral, amid Russia's attack on Ukraine, in central Kyiv, Ukraine February 20, 2023. REUTERS/Viacheslav Ratynskyi 

Members of the Honour Guard stand next to the Saint Michael's cathedral, amid Russia's attack on Ukraine, in central Kyiv, Ukraine February 20, 2023. REUTERS/Viacheslav Ratynskyi 

Taiwanese honour guards leave after the welcome ceremony of Taiwan President Tsai Ing-wen and visiting Paraguay President Mario Abdo Benitez in front of the Presidential building in Taipei, Taiwan, February 16, 2023. REUTERS/Ann Wang 

Taiwanese honour guards take part in a welcome ceremony for Taiwan President Tsai Ing-wen and visiting Paraguay President Mario Abdo Benitez in front of the Presidential building in Taipei, Taiwan, February 16, 2023. REUTERS/Ann Wang 

Taiwanese honour guards wait for Taiwan President Tsai Ing-wen and visiting Paraguay President Mario Abdo Benitez at the welcome ceremony in front of the Presidential building in Taipei, Taiwan, February 16, 2023. REUTERS/Ann Wang 

South African President Cyril Ramaphosa walks past the guard of honour upon his arrival for the 2023 state-of-the-nation address (SONA) at the Cape Town City Hall in Cape Town, South Africa February 9, 2023. Rodger Bosch/Pool via REUTERS TPX IMAGES OF THE DAY 

South African President Cyril Ramaphosa walks past the guard of honour upon his arrival for the 2023 state-of-the-nation address (SONA) at the Cape Town City Hall in Cape Town, South Africa February 9, 2023. Rodger Bosch/Pool via REUTERS 

South African President Cyril Ramaphosa arrives to inspect the guard of honour ahead of the 2023 state-of-the-nation address (SONA) at the Cape Town City Hall in Cape Town, South Africa February 9, 2023. Rodger Bosch/Pool via REUTERS 

Honour Guard are seen before a welcoming ceremony, upon the arrival of Malaysian Prime Minister Anwar Ibrahim, at the Government House in Bangkok, Thailand, February 9, 2023. REUTERS/Athit Perawongmetha 

Malaysian Prime Minister Anwar Ibrahim reviews an Honour Guard, during a welcoming ceremony at the Government House in Bangkok, Thailand, February 9, 2023. REUTERS/Athit Perawongmetha 

Malaysian Prime Minister Anwar Ibrahim reviews an Honour Guard, with Thailand's Prime Minister Prayut Chan-ocha, during a welcoming ceremony at the Government House in Bangkok, Thailand, February 9, 2023. REUTERS/Athit Perawongmetha 

Malaysian Prime Minister Anwar Ibrahim reviews an Honour Guard, with Thailand's Prime Minister Prayut Chan-ocha, during a welcoming ceremony at the Government House in Bangkok, Thailand, February 9, 2023. REUTERS/Athit Perawongmetha 

Malaysian Prime Minister Anwar Ibrahim reviews an Honour Guard, with Thailand's Prime Minister Prayut Chan-ocha, during a welcoming ceremony at the Government House in Bangkok, Thailand, February 9, 2023. REUTERS/Athit Perawongmetha