An anti-war activist holds up a sign "Stop war exercise, Go home" in front of a South Korean marine taking a position during a U.S and South Korea marine corps combined amphibious landing drill called the 'Ssangyong' exercise, in Pohang, South Korea, March 29, 2023. REUTERS/Kim Hong-Ji TPX IMAGES OF THE DAY 

Names of those who died during the Korean War are etched into granite at the Korean War Veterans Memorial in Washington, D.C., U.S., January 9, 2023. The New York Times reported that the Korean War Veterans Memorial may be missing up to 500 names and includes misspellings. REUTERS/Sarah Silbiger 

Names of those who died during the Korean War are etched into granite at the Korean War Veterans Memorial in Washington, D.C., U.S., January 9, 2023. The New York Times reported that the Korean War Veterans Memorial may be missing up to 500 names and includes misspellings. REUTERS/Sarah Silbiger 

People visit the Korean War Veterans Memorial in Washington, D.C., U.S., January 9, 2023. The New York Times reported that the Korean War Veterans Memorial may be missing up to 500 names and includes misspellings. REUTERS/Sarah Silbiger 

The name of Army corporal Frederick Bald Eagle Bear, a Lakota tribe member who was killed in the Korean War, is seen misspelled as "Eagle B F Bald" at the Korean War Veterans Memorial in Washington, D.C., U.S., January 9, 2023. The New York Times reported that the Korean War Veterans Memorial may be missing up to 500 names and includes misspellings. REUTERS/Sarah Silbiger 

People visit the Korean War Veterans Memorial in Washington, D.C., U.S., January 9, 2023. The New York Times reported that the Korean War Veterans Memorial may be missing up to 500 names and includes misspellings. REUTERS/Sarah Silbiger 

Names of those who died during the Korean War are etched into granite at the Korean War Veterans Memorial in Washington, D.C., U.S., January 9, 2023. The New York Times reported that the Korean War Veterans Memorial may be missing up to 500 names and includes misspellings. REUTERS/Sarah Silbiger 

Korean War Veterans Memorial is pictured in Washington, D.C., U.S., January 9, 2023. The New York Times reported that the Korean War Veterans Memorial may be missing up to 500 names and includes misspellings. REUTERS/Sarah Silbiger 

Korean War Veterans Memorial is pictured in Washington, D.C., U.S., January 9, 2023. The New York Times reported that the Korean War Veterans Memorial may be missing up to 500 names and includes misspellings. REUTERS/Sarah Silbiger 

South Korean President Yoon Suk-yeol takes part in a wreath laying ceremony at the National War Memorial in Ottawa, Ontario, Canada September 23, 2022. REUTERS/Blair Gable 

South Korean President Yoon Suk-yeol greets Canadian Korean War veteran Bill Black after laying a wreath at the National War Memorial in Ottawa, Ontario, Canada September 23, 2022. REUTERS/Blair Gable 

South Korean President Yoon Suk-yeol takes part in a wreath laying ceremony at the National War Memorial in Ottawa, Ontario, Canada September 23, 2022. REUTERS/Blair Gable 

Chinese Ambassador to South Korea Xing Haiming covers caskets containing the remains of Chinese soldiers with a Chinese national flag during the handing over ceremony at the Incheon International Airport in Incheon on September 16, 2022 South Korea. Song Kyung-Seok/Pool via REUTERS 

Chinese soldiers carry caskets containing the remains of Chinese soldiers during the handing over ceremony at the Incheon International Airport in Incheon on September 16, 2022 South Korea. Song Kyung-Seok/Pool via REUTERS 

Chinese soldiers carry caskets containing the remains of Chinese soldiers during the handing over ceremony at the Incheon International Airport in Incheon on September 16, 2022 South Korea. Song Kyung-Seok/Pool via REUTERS 

Chinese Vice Minister of Veterans Affairs Chang Zhengguo lays flowers near the remains of Chinese soldiers, who were killed in the 1950-53 Korean War, during ceremonial rites to place the remains into the coffin, ahead of its repatriation, at a temporary military ossuary in Incheon, South Korea September 15, 2022. Jung Yeon-je/Pool via REUTERS 

Chinese officials bow to the remains of Chinese soldiers, who were killed in the 1950-53 Korean War, during ceremonial rites to place the remains into the coffin, ahead of its repatriation, at a temporary military ossuary in Incheon, South Korea September 15, 2022. Jung Yeon-je/Pool via REUTERS 

A Chinese military officer salutes in front of a coffin containing the remains of Chinese soldiers, who were killed in the 1950-53 Korean War, during ceremonial rites to place the remains into the coffin, ahead of its repatriation, at a temporary military ossuary in Incheon, South Korea September 15, 2022. Jung Yeon-je/Pool via REUTERS 

A member of South Korea's Agency for KIA Recovery and Identification arranges the remains of Chinese soldiers, who were killed in the 1950-53 Korean War, during ceremonial rites to place the remains into the coffin, ahead of its repatriation, at a temporary military ossuary in Incheon, South Korea September 15, 2022. Jung Yeon-je/Pool via REUTERS 

The remains of Chinese soldiers, who were killed in the 1950-53 Korean War, are seen, ahead of its repatriation, at a temporary military ossuary in Incheon, South Korea September 15, 2022. Jung Yeon-je/Pool via REUTERS 

Members of South Korea's Agency for KIA Recovery and Identification arrange the remains of Chinese soldiers, who were killed in the 1950-53 Korean War, ahead of its repatriation, at a temporary military ossuary in Incheon, South Korea September 15, 2022. Jung Yeon-je/Pool via REUTERS 

The remains of Chinese soldiers, who were killed in the 1950-53 Korean War, are seen, ahead of its repatriation, at a temporary military ossuary in Incheon, South Korea September 15, 2022. Jung Yeon-je/Pool via REUTERS 

Hwang Rae-hwa, 80, who hasn't been able to meet his family members in North Korea since Korean war, looks toward the north from an observation post on Ganghwa island just south of the demilitarized zone separating the two Koreas, in Incheon, South Korea, September 13, 2022. REUTERS/Daewoung Kim 

Hwang Rae-hwa, 80, who hasn't been able to meet his family members in North Korea since Korean war, reacts during an interview with Reuters at his home on Ganghwa island just south of the demilitarized zone separating the two Koreas, in Incheon, South Korea, September 13, 2022. REUTERS/Daewoung Kim 

Hwang Rae-hwa, 80, who hasn't been able to meet his family members in North Korea since Korean war, looks toward the north from an observation post on Ganghwa island just south of the demilitarized zone separating the two Koreas, in Incheon, South Korea, September 13, 2022. REUTERS/Daewoung Kim 

Hwang Rae-hwa, 80, who hasn't been able to meet his family members in North Korea since Korean war, speaks during an interview with Reuters at his home on Ganghwa island just south of the demilitarized zone separating the two Koreas, in Incheon, South Korea, September 13, 2022. REUTERS/Daewoung Kim 

Hwang Rae-hwa, 80, who hasn't been able to meet his family members in North Korea since Korean war, looks out at his home on Ganghwa island just south of the demilitarized zone separating the two Koreas, in Incheon, South Korea, September 13, 2022. REUTERS/Daewoung Kim 

A man holds a sign against U.S.-South Korea joint exercises next to anti-war activists wearing masks of U.S President Joe Biden and South Korea's President Yoon Suk-yeol during a protest against joint military exercises on the occasion of U.S. House of Representatives Speaker Nancy Pelosi's visit, in front of the Presidential Office in Seoul, South Korea, August 4, 2022. REUTERS/Kim Hong-Ji 

Anti-war activists wearing masks of U.S President Joe Biden and South Korea's President Yoon Suk-yeol hold a protest against joint U.S.-South Korea military exercises on the occasion of U.S. House of Representatives Speaker Nancy Pelosi's visit, in front of the Presidential Office in Seoul, South Korea, August 4, 2022. REUTERS/Kim Hong-Ji 

A visitor walks a bicycle through the newly renovated Korean War Veterans Memorial on the National Mall in Washington, U.S., July 31, 2022. REUTERS/Tom Brenner TPX IMAGES OF THE DAY 

Visitors view the newly renovated Korean War Veterans Memorial on the National Mall in Washington, U.S., July 31, 2022. REUTERS/Tom Brenner 

Visitors view and capture cell phone images of the newly renovated Korean War Veterans Memorial on the National Mall in Washington, U.S., July 31, 2022. REUTERS/Tom Brenner 

People visit the new Wall of Remembrance during a special event ahead of the official dedication of the wall at the Korean War Veterans Memorial in Washington, U.S., July 26, 2022. REUTERS/Elizabeth Frantz 

People visit the new Wall of Remembrance during a special event ahead of the official dedication of the wall at the Korean War Veterans Memorial in Washington, U.S., July 26, 2022. REUTERS/Elizabeth Frantz 

Flowers left by family and friends of the fallen are seen at the new Wall of Remembrance during a special ceremony ahead of the official dedication of the wall at the Korean War Veterans Memorial in Washington, U.S., July 26, 2022. REUTERS/Elizabeth Frantz 

People visit the new Wall of Remembrance during a special event ahead of the official dedication of the wall at the Korean War Veterans Memorial in Washington, U.S., July 26, 2022. REUTERS/Elizabeth Frantz 

Flowers left by family and friends of the fallen are seen at the new Wall of Remembrance during a special ceremony ahead of the official dedication of the wall at the Korean War Veterans Memorial in Washington, U.S., July 26, 2022. REUTERS/Elizabeth Frantz 

People visit the new Wall of Remembrance during a special event ahead of the official dedication of the wall at the Korean War Veterans Memorial in Washington, U.S., July 26, 2022. REUTERS/Elizabeth Frantz 

People visit the new Wall of Remembrance during a special event ahead of the official dedication of the wall at the Korean War Veterans Memorial in Washington, U.S., July 26, 2022. REUTERS/Elizabeth Frantz 

People visit the new Wall of Remembrance during a special event ahead of the official dedication of the wall at the Korean War Veterans Memorial in Washington, U.S., July 26, 2022. REUTERS/Elizabeth Frantz 

The names of U.S. and Korean service members killed during the Korean War are seen etched on the Wall of Remembrance at the Korean War Veterans Memorial in Washington, U.S., July 26, 2022. REUTERS/Elizabeth Frantz 

The names of U.S. and Korean service members killed during the Korean War are seen etched on the Wall of Remembrance at the Korean War Veterans Memorial in Washington, U.S., July 26, 2022. REUTERS/Elizabeth Frantz 

People visit the Korean War Veterans Memorial in Washington, U.S., July 26, 2022. REUTERS/Elizabeth Frantz 

Terry Ogle takes a photo of an etched name before the start of an event at the new Wall of Remembrance ahead of its official dedication at the Korean War Veterans Memorial in Washington, U.S., July 26, 2022. REUTERS/Elizabeth Frantz 

A veteran attends a special event at the new Wall of Remembrance ahead of its official dedication at the Korean War Veterans Memorial in Washington, U.S., July 26, 2022. REUTERS/Elizabeth Frantz 

People visit the Korean War Veterans Memorial in Washington, U.S., July 26, 2022. REUTERS/Elizabeth Frantz 

Flowers left by family and friends of the fallen are seen at the new Wall of Remembrance during a special ceremony ahead of the official dedication of the wall at the Korean War Veterans Memorial in Washington, U.S., July 26, 2022. REUTERS/Elizabeth Frantz 

People visit the new Wall of Remembrance during a special event ahead of the official dedication of the wall at the Korean War Veterans Memorial in Washington, U.S., July 26, 2022. REUTERS/Elizabeth Frantz 

People visit the new Wall of Remembrance during a special event ahead of the official dedication of the wall at the Korean War Veterans Memorial in Washington, U.S., July 26, 2022. REUTERS/Elizabeth Frantz 

A man points at a name in the new Wall of Remembrance during a special event ahead of the official dedication of the wall at the Korean War Veterans Memorial in Washington, U.S., July 26, 2022. REUTERS/Elizabeth Frantz 

People visit the Korean War Veterans Memorial in Washington, U.S., July 26, 2022. REUTERS/Elizabeth Frantz 

Flowers are given to family and friends of the fallen during a special event ahead of the official dedication of the Wall of Remembrance at the Korean War Veterans Memorial in Washington, U.S., July 26, 2022. REUTERS/Elizabeth Frantz 

People visit the Korean War Veterans Memorial in Washington, U.S., July 26, 2022. REUTERS/Elizabeth Frantz 

People visit the new Wall of Remembrance during a special event ahead of the official dedication of the wall at the Korean War Veterans Memorial in Washington, U.S., July 26, 2022. REUTERS/Elizabeth Frantz 

A dragonfly rests on a Korean War Veterans statue on the National Mall in Washington, U.S., July 5, 2022. REUTERS/Tom Brenner 

A visitor walks through the Korean War Veterans Memorial site in Washington, U.S., July 5, 2022. REUTERS/Tom Brenner 

South Korean President Yoon Suk-yeol speaks during a ceremony marking Memorial Day at the Seoul National Cemetery on June 06, 2022 in Seoul, South Korea. South Korea is marking the 67th anniversary of Memorial Day, in tribute of people who died during military service in the 1950-53 Korean War. Chung Sung-Jun/Pool via REUTERS 

U.S. President Joe Biden places incense in the memorial flame during a wreath-laying ceremony at the Seoul National Cemetery to honour the sacrifice of Koreans who died to protect their country, including the soldiers who lost their lives in the Korean War, in Seoul, South Korea, May 21, 2022. REUTERS/Jonathan Ernst