Flags are planted in front of headstones by soldiers of the U.S. Army Old Guard, during the annual 'Flags In' event, whereby U.S. flags are placed at service members' gravesites, in advance of Memorial Day at Arlington National Cemetery in Arlington, Virginia, U.S., May 23, 2024. REUTERS/Kevin Lamarque

Motorcyclists participate in the "Rolling to Remember" motorcycle rally, successor to "Rolling Thunder,” which rides through Washington to bring attention to issues faced by veterans, in Washington, U.S., May 26, 2024. REUTERS/Bonnie Cash

People enjoy the day at Coney Island during Memorial Day weekend celebrations in New York, U.S., May 25, 2024. REUTERS/Jeenah Moon

A U.S. Army Old Guard soldier plants flags in front of headstones during the annual 'Flags In' event, whereby U.S. flags are placed at service members' gravesites, in advance of Memorial Day at Arlington National Cemetery in Arlington, Virginia, U.S., May 23, 2024. REUTERS/Kevin Lamarque

A man wearing a uniform of the U.S. Army marches in a Memorial Day weekend parade in Port Washington, New York, U.S., May 27, 2024. REUTERS/Shannon Stapleton

Soldiers of the U.S. Army Old Guard carry flags to put at headstones during the annual 'Flags In' event, whereby U.S. flags are placed at service members' gravesites, in advance of Memorial Day at Arlington National Cemetery in Arlington, Virginia, U.S., May 23, 2024. REUTERS/Kevin Lamarque

Sailors and Marines attend the Memorial Day Ceremony at Soldiers and Sailors Monument in New York, U.S., May 27, 2024. REUTERS/Jeenah Moon

A U.S. Army Old Guard soldier places a flag at a headstone during the annual 'Flags In' event, whereby U.S. flags are placed at service members' gravesites, in advance of Memorial Day at Arlington National Cemetery in Arlington, Virginia, U.S., May 23, 2024. REUTERS/Kevin Lamarque

A man waves while driving with others during a Memorial Day weekend parade in Port Washington, New York, U.S., May 27, 2024. REUTERS/Shannon Stapleton

Attendees gesture during a ceremony for Vietnam War veterans at the National Mall on Memorial Day in Washington, U.S., May 27, 2024. REUTERS/Tom Brenner

People gesture at the Vietnam Veterans memorial at the National Mall on Memorial Day in Washington, U.S., May 27, 2024. REUTERS/Tom Brenner

Men play the bagpipes marching in a Memorial Day weekend parade in Port Washington, New York, U.S., May 27, 2024. REUTERS/Shannon Stapleton

A U.S. Army Old Guard soldier places a flag at a headstone during the annual 'Flags In' event, whereby U.S. flags are placed at service members' gravesites, in advance of Memorial Day at Arlington National Cemetery in Arlington, Virginia, U.S., May 23, 2024. REUTERS/Kevin Lamarque

Sarah Schumann rests at the gravesite of her husband, Army Specialist Jordan Schumann, at Arlington National Cemetery on Memorial Day in Arlington, Virginia, U.S., May 27, 2024. REUTERS/Nathan Howard

Tim Chambers “The Saluting Marine” salutes during the "Rolling to Remember" motorcycle rally, successor to "Rolling Thunder,” which rides through Washington to bring attention to issues faced by veterans, in Washington, U.S., May 26, 2024. REUTERS/Bonnie Cash

People enjoy the day at Coney Island during Memorial Day weekend celebrations in New York, U.S., May 25, 2024. REUTERS/Jeenah Moon

Attendees for the ceremony for Vietnam War veterans etch a name on a wall at the National Mall on Memorial Day in Washington, U.S., May 27, 2024. REUTERS/Tom Brenner

People enjoy the beach at Coney Island during Memorial Day weekend celebrations in New York, U.S., May 25, 2024. REUTERS/Jeenah Moon