President Donald Trump participates in a wreath laying ceremony at the Tomb of the Unknown Soldier at Arlington National Cemetery near Washington in commemoration of the Memorial Day holiday in Arlington, Virginia May 25, 2020. REUTERS/Erin Scott
Democratic presidential candidate and former Vice President Joe Biden and his wife Jill visit the War Memorial Plaza during Memorial Day, in New Castle, Delaware, May 25, 2020. REUTERS/Carlos Barria
Stones decorated with messages are arranged in the shape of a heart at a Memorial Day display on Boston Common amid the coronavirus disease (COVID-19) outbreak in Boston, Massachusetts, U.S., May 25, 2020.
Guests wearing protective shields because of the COVID-19 coronavirus disease outbreak wait for President Donald Trump to arrive to participate in ceremonies commemorating the Memorial Day holiday at Fort McHenry in Baltimore, Maryland, May 25, 2020.
With the relaxing of coronavirus restrictions, visitors crowd the boardwalk on Memorial Day weekend in Ocean City, Maryland, U.S., May 23, 2020. REUTERS/Kevin Lamarque
President Donald Trump participates in a round of golf in Sterling, Virginia, May 24, 2020. REUTERS/Tom Brenner
Members of the U.S. military, veterans and members of the public visit the Vietnam Veterans Memorial in Washington, May 25, 2020. REUTERS/Michael A. McCoy
Members of the U.S. military dressed in 19th century uniforms listen as President Donald Trump speaks during ceremonies commemorating the Memorial Day holiday at Fort McHenry in Baltimore, Maryland, May 25, 2020. REUTERS/Joshua Roberts
Kim Zachalur (3rd R), whose Korean War veteran father died from the coronavirus, attends a Memorial Day ceremony in Glenwood Cemetery in Everett, Massachusetts, May 25, 2020. REUTERS/Brian Snyder
Steve Bock, a registered nurse at NYU Hospital in Manhattan, walks with an U.S. flag in front of one float honoring those lost in war during their annual Memorial Day parade in Manhasset, New York, May 25, 2020. REUTERS/Shannon Stapleton
New York Governor Andrew Cuomo wearing a protective mask participates during the Memorial day ceremony at the Intrepid Sea, Air & Space Museum in New York May 25, 2020. REUTERS/Jeenah Moon
U.S. Marine SSGT Tim Chambers renders a salute paying respect for U.S. veterans, standing along the normal Memorial Day parade route on Washington's Constitution Avenue, now empty in the midst of the pandemic, as people commemorate the U.S.
A man poses for a picture as he takes part in a protest to reopen all businesses after some New Jersey beaches were opened during the Memorial Day weekend in Point Pleasant Beach, New Jersey, May 25, 2020. REUTERS/Eduardo Munoz
U.S. Navy veteran Jimmy Hagerty sits outside the Soldier's Home in Chelsea, Massachusetts, May 25, 2020. REUTERS/Brian Snyder
Revelers celebrate Memorial Day weekend at Osage Beach of the Lake of the Ozarks, Missouri, May 23, 2020. Twitter/Lawler50/via REUTERS
U.S. flags fly at half-staff on the National Mall to commemorate the victims of the coronavirus in Washington, May 23, 2020. REUTERS/Mary F. Calvert
A girl wearing a protective mask is seen in Brooklyn Bridge Park in the Brooklyn borough of New York City, May 23, 2020. REUTERS/Jeenah Moon
Patrick Barba, a U.S. Army veteran of the Korean War, looks at the U.S. flags planted six feet apart on the Boston Common for Memorial Day in Boston, Massachusetts, May 25, 2020. REUTERS/Brian Snyder
People work out at Herbert Von King Park on Memorial Day weekend in Brooklyn, New York, May 25, 2020. REUTERS/Caitlin Ochs
With the relaxing of the coronavirus disease (COVID-19) restrictions, beachgoers enjoy a game of Spikeball on Memorial Day weekend in Ocean City, Maryland, U.S., May 23, 2020. REUTERS/Kevin Lamarque
Town of Hempstead Public Safety Officers monitor beachgoers on the first day that New York beaches were opened ahead of the Memorial Day weekend at Town Park at Point Lookout beach on Long Island, New York, U.S., May 22, 2020. REUTERS/Andrew Kelly
Military jets fly over Charlotte Motor Speedway before the start of the Coca-Cola 600 at Charlotte Motor Speedway in Concord, North Carolina, May 24, 2020. Gerry Broome/Pool Photo via USA TODAY Network
A gun rights supporter listens to a speaker during a "Patriot Day 2nd Amendment Rally" in support of gun rights at the State Capitol in Frankfort, Kentucky, May 24, 2020. REUTERS/Bryan Woolston
Tracy Sandridge and Julie Brown of Baltimore pose with inner tubes on wheels dubbed "bumper tables" designed to ensure social distancing when Fish Tales Bar & Grill eventually reopens in Ocean City, Maryland, May 23, 2020. REUTERS/Kevin Lamarque
Recreational kayakers are pictured at a public dock along the Potomac River in Washington, May 23, 2020. REUTERS/Tom Brenner
An F-35 pilot prepares for take off from the Vermont Air National Guard Base with the flag of the United States, before a flyover honoring Vermont’s front line coronavirus responders and essential workers in South Burlington, Vermont, U.S.
People sit at the beach as cyclists ride bicycles in Huntington Beach, California, U.S., May 23, 2020. REUTERS/Patrick T. Fallon
With coronavirus restrictions eased, a man dressed in stars and stripes for Memorial Day weekend walks along the boardwalk in Ocean City, Maryland, May 23, 2020. REUTERS/Kevin Lamarque
In this image made with a telephoto lens, lifeguard towers stand as people visit the beach on Memorial Day weekend in Huntington Beach, California, May 23, 2020. REUTERS/Patrick T. Fallon
A beach guard removes the U.S. flag of his spot after a day of duty at Long Branch beach after New Jersey beaches were opened in Long Branch, New Jersey, U.S., May 23, 2020. REUTERS/Eduardo Munoz
A man wearing a protective mask feeds seagulls at the Coney Island beach in Brooklyn, New York City, U.S., May 23, 2020. REUTERS/Jeenah Moon
A surfer catches a wave in front of a ship at Long Beach on the first day that New York beaches were opened on Long Island, New York, May 22, 2020. REUTERS/Andrew Kelly
Local residents play a modified tennis match using lawn chairs at a residential tennis court, in Washington, May 23, 2020. REUTERS/Tom Brenner
Special Police Officers patrol the boardwalk at Long Beach on the first day that New York beaches were opened on Long Island, New York, May 22, 2020. REUTERS/Andrew Kelly
Members of the U.S. Army Old Guard place small American flags in front of the headstones of U.S. service members buried at Arlington National Cemetery in Arlington, Virginia, May 21, 2020. REUTERS/Tom Brenner
A veteran from AMVETS (America Veterans) who is participating in "Rolling to Remember: Honoring our Nation’s Veterans and POW/MIA" salutes President Donald Trump with a thrust fist as he rolls past the president, watching from the Blue Room Balcony
Aviation Ordnanceman Airman Andrew Halford, from San Diego, holds the American flag on the flight deck of the aircraft carrier USS Theodore Roosevelt as it departs following an extended visit in the midst of a coronavirus outbreak, from Apra Harbor,
A face mask is seen on the floor as people walk the boardwalk of Ocean Grove beach on the first day that New Jersey beaches were reopened Ocean Grove, New Jersey, May 22, 2020. REUTERS/Eduardo Munoz
Cub Scout Colten Short, 10, of Arlington, salutes a grave after fixing a flag in front of a headstone ahead of the Memorial Day weekend at West Tennessee State Veterans Cemetery in Memphis, Tennessee, May 19, 2020.
A veteran wearing a protective face mask stands in the pouring rain as President Donald Trump hosts a ceremony honoring veterans ahead of the Memorial Day holiday at the White House in Washington, May 22, 2020. REUTERS/Leah Millis
Children feed seagulls on the beach in Galveston, Texas, May 22, 2020. REUTERS/Callaghan O'Hare