US President Donald Trump salutes as he and First Lady Melania Trump speak to a veteran as they visit the Korean War Veterans Memorial in Washington, DC on June 25, 2020. - North and South Korea on June 25, 2020 separately marked the 70th anniversary of the start of the Korean War, a conflict that killed millions of people and has technically yet to end.The fighting ended with an armistice that was never replaced by a peace treaty, leaving the peninsula and millions of families split by the Demilitarized Zone. (Photo by MANDEL NGAN / AFP)