After his remarks at Arlington National, the President spent time with families grieving in the cemetery's section 60, the burial ground for service members killed in Afghanistan, Iraq and other war on terror operations.
Horton's widow, Jane, and Byers parents, Rose and David, were at the ceremony and the president promised that America's gratitude to them "is boundless and undying". Christopher Horton, a member of the Oklahoma National Guard, who died in a gunbattle with insurgents in Afghanistan in 2011, and Maj. The younger Kelly was a Marine killed in Afghanistan in November 2010. Chris Horton, killed in 2011, and Army Capt. Andrew Byers, killed in 2011.
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The president delivered a brief speech to the crowd that had gathered after fulfilling the traditional duty of the Commander-in-Chief on Memorial Day; laying a wreath at the Tomb of the Unknown Soldier. He also paid respect to Secretary John Kelly who was in attendance, and whose son Robert Kelly died serving in Afghanistan.
"Here at this hallowed shrine, we honor the noblest among us, the men and women who paid the ultimate price for victory and for freedom", said Trump.
Since the founding of the United States, more than 42 million Americans have stepped forward to serve their country in uniform, said Marine Corps Gen. Joe Dunford during his remarks at the memorial ceremony.
Trump greeted a few women who told him they had lost their sons.
"We just want to say thank you to those that gave the ultimate gift", Mindy said.
In the second, Trump says: "I look forward to paying my respects to our courageous men and women on this Memorial Day at Arlington National Cemetery later this morning".
Trump also recognized former USA senator and GOP presidential nominee Bob Dole, 93, who suffered lifelong injuries during World War II. "We do not know where they came from, who they left behind, or what they hoped to be, but we do know what they did". He then visited Area 60 of the cemetery, where numerous fallen heroes of the war in Iraq and Afghanistan were laid to rest.
SIEGEL: At the Tomb of the Unknown Soldier, the president laid a wreath of flowers with a red, white and blue ribbon.
Trump previewed the address Saturday before he flew home from Italy, the final stop on his first trip overseas since taking office.
Pence is scheduled on Monday morning to appear at a Washington event for Project Hero, an organization for veterans and first responders, before joining Trump at Arlington.