People are seen by a cenotaph war memorial in Whitley Bay on the 75th Anniversary of D-Day, Whitley Bay, Britain, June 6, 2020. REUTERS/Lee Smith

War memorials are seen in Whitley Bay on the 75th Anniversary of D-Day, Whitley Bay, Britain, June 6, 2020. REUTERS/Lee Smith

War memorials are seen in Whitley Bay on the 75th Anniversary of D-Day, Whitley Bay, Britain, June 6, 2020. REUTERS/Lee Smith

Canadian Prime Minister Justin Trudeau bids farewell to U.S. House Speaker Nancy Pelosi, and the President of the French National Assembly Richard Ferrand looks on, as they leave after an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Picture taken June 6, 2019. Fred Tanneau/Pool via REUTERS

U.S. House Speaker Nancy Pelosi, French Prime Minister Edouard Philippe, Canadian Prime Minister Justin Trudeau, and Britain's Defence Secretary Penny Mordaunt stand by wreaths of flowers during an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS TPX IMAGES OF THE DAY

U.S. World War II veteran Carl Mann, from Indiana, is buried at Arlington National Cemetery on the 75th anniversary of the D-Day invasion in Arlington, Virginia U.S., June 6, 2019. Mr. Mann, who died at the age of 96, was among the Allied troops who stormed Omaha Beach in Nazi-occupied northern France during the invasion. REUTERS/Jonathan Ernst TPX IMAGES OF THE DAY

French Prime Minister Edouard Philippe, Foreign Affairs Minister Jean-Yves Le Drian, and President of the French National Assembly Richard Ferrand, leave after an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

Canadian Prime Minister Justin Trudeau and French Prime Minister Edouard Philippe are presented with wreaths of flowers during an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

French Prime Minister Edouard Philippe delivers a speech during an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

Canadian Prime Minister Justin Trudeau bids farewell to U.S. House Speaker Nancy Pelosi, as the President of the French National Assembly Richard Ferrand looks on, as they leave an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

Canadian Prime Minister Justin Trudeau, French Foreign Affairs Minister Jean-Yves Le Drian, U.S. House Speaker Nancy Pelosi, the President of the French National Assembly Richard Ferrand and French Prime Minister Edouard Philippe leave after an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

French Prime Minister Edouard Philippe delivers a speech during an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

Britain's Prince Harry reviews Chelsea Pensioners during the Founder's Day Parade at the Royal Hospital Chelsea in London, Britain June 6, 2019. REUTERS/Toby Melville TPX IMAGES OF THE DAY

Officials stand by wreaths of flower during an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

French Prime Minister Edouard Philippe, Canadian Prime Minister Justin Trudeau, Britain's Defence Secretary Penny Mordaunt and Dutch Defence Minister Ank Bijleveld stand by wreaths of flowers during an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

French Prime Minister Edouard Philippe shakes hands with Canadian Prime Minister Justin Trudeau during an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

U.S. House Speaker Nancy Pelosi, French Prime Minister Edouard Philippe, Canadian Prime Minister Justin Trudeau, and Britain's Defence Secretary Penny Mordaunt stand by wreaths of flowers during an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

French Prime Minister Edouard Philippe shakes hands with Canadian Prime Minister Justin Trudeau during an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

French Prime Minister Edouard Philippe lays a wreath during an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

Dutch Defence Minister Ank Bijleveld and Britain's Defence Secretary Penny Mordaunt stand after laying a wreath during an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

U.S. House Speaker Nancy Pelosi stands after laying a wreath during an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

Canadian Prime Minister Justin Trudeau stands after laying a wreath during an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

U.S. House Speaker Nancy Pelosi stands after laying a wreath during an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

Dutch Defence Minister Ank Bijleveld stands after laying a wreath during an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

French Prime Minister Edouard Philippe and Canadian Prime Minister Justin Trudeau stand after laying a wreath as they attend an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

Dutch Defence Minister Ank Bijleveld stands after laying a wreath during an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

U.S. House Speaker Nancy Pelosi, French Prime Minister Edouard Philippe, Canadian Prime Minister Justin Trudeau, Britain's Defence Secretary Penny Mordaunt and Dutch Defence Minister Ank Bijleveld attend an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

U.S. House Speaker Nancy Pelosi, French Prime Minister Edouard Philippe, Canadian Prime Minister Justin Trudeau, Britain's Defence Secretary Penny Mordaunt and Dutch Defence Minister Ank Bijleveld attend an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

U.S. House Speaker Nancy Pelosi, French Prime Minister Edouard Philippe, Canadian Prime Minister Justin Trudeau, Britain's Defence Secretary Penny Mordaunt and Dutch Defence Minister Ank Bijleveld attend an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

French Prime Minister Edouard Philippe stands after laying a wreath during an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

French Prime Minister Edouard Philippe and Canadian Prime Minister Justin Trudeau lay a wreath as they attend an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

French Prime Minister Edouard Philippe and Canadian Prime Minister Justin Trudeau stand after laying a wreath as they attend an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

French Prime Minister Edouard Philippe stands after laying a wreath during an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

French Prime Minister Edouard Philippe stands with other international leaders and ministers after laying a wreath during an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

French Prime Minister Edouard Philippe stands with other international leaders and ministers after laying a wreath during an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

Canadian Prime Minister Justin Trudeau stands after laying a wreath during an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

Canadian Prime Minister Justin Trudeau stands after laying a wreath during an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

French Prime Minister Edouard Philippe and U.S. House Speaker Nancy Pelosi stand after laying a wreath during an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

Dutch Defence Minister Ank Bijleveld attends an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

Canadian Prime Minister Justin Trudeau attends an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

Canadian Prime Minister Justin Trudeau, U.S. House Speaker Nancy Pelosi, President of the French National Assembly Richard Ferrand and French Prime Minister Edouard Philippe leave after an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

Canadian Prime Minister Justin Trudeau, U.S. House Speaker Nancy Pelosi, French Foreign Affairs Minister Jean-Yves Le Drian, President of the French National Assembly Richard Ferrand, French Prime Minister Edouard Philippe and French Junior Defence Minister Genevieve Darrieussecq talk during an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

French Prime Minister Edouard Philippe shakes hands with Norwegian army veteran Trygve Hansen during an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

French Prime Minister Edouard Philippe shakes hands with an army veteran during an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

French Prime Minister Edouard Philippe shakes hands with Canadian Prime Minister Justin Trudeau during an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

Canadian Prime Minister Justin Trudeau, French Foreign Affairs Minister Jean-Yves Le Drian, U.S. House Speaker Nancy Pelosi, French Junior Defence Minister Genevieve Darrieussecq, President of the French National Assembly Richard Ferrand and French Prime Minister Edouard Philippe leave after an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

Canadian Prime Minister Justin Trudeau greets a French army veteran during an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

French Prime Minister Edouard Philippe, President of the French National Assembly Richard Ferrand, U.S. House Speaker Nancy Pelosi, Canadian Prime Minister Justin Trudeau, French Foreign Affairs Minister Jean-Yves Le Drian and French Junior Defence Minister Genevieve Darrieussecq leave after an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

U.S. Army Chaplain Captain Joseph Adams leads a burial service for World War II veteran Carl Mann to be laid to rest on the 75th anniversary of the D-Day invasion, at Arlington National Cemetery in Arlington, Virginia U.S. June 6, 2019. Mann, who died recently at the age of 96, was among the Allied troops who stormed Omaha Beach in Nazi-occupied northern France during the second wave of the invasion. REUTERS/Jonathan Ernst

World War II veteran Carl Mann is laid to rest on the 75th anniversary of the D-Day invasion, at Arlington National Cemetery in Arlington, Virginia U.S. June 6, 2019. Mann, who died recently at the age of 96, was among the Allied troops who stormed Omaha Beach in Nazi-occupied northern France during the second wave of the invasion. REUTERS/Jonathan Ernst

U.S. Army Chaplain Captain Joseph Adams departs after leading a burial service for World War II veteran Carl Mann on the 75th anniversary of the D-Day invasion, at Arlington National Cemetery in Arlington, Virginia U.S. June 6, 2019. Mann, who died recently at the age of 96, was among the Allied troops who stormed Omaha Beach in Nazi-occupied northern France during the second wave of the invasion. REUTERS/Jonathan Ernst

U.S. President Donald Trump shakes hands with French President Emmanuel Macron during a meeting at the Prefecture of Caen, on the sidelines of D-Day commemorations marking the 75th anniversary of the World War II Allied landings in Normandy, France, June 6, 2019. Ludovic Marin/Pool via REUTERS TPX IMAGES OF THE DAY

Britain's Defence Secretary Penny Mordaunt, French Foreign Affairs Minister Jean-Yves Le Drian, Canadian Prime Minister Justin Trudeau, French Prime Minister Edouard Philippe, U.S. House Speaker Nancy Pelosi, President of the French National Assembly Richard Ferrand and French Junior Defence Minister Genevieve Darrieussecq attend an international D-Day commemoration ceremony on Juno Beach in Courseulles-sur-Mer, France June 6, 2019. Fred Tanneau/Pool via REUTERS

World War II veteran Carl Mann is laid to rest on the 75th anniversary of the D-Day invasion, at Arlington National Cemetery in Arlington, Virginia U.S. June 6, 2019. Mann, who died recently at the age of 96, was among the Allied troops who stormed Omaha Beach in Nazi-occupied northern France during the second wave of the invasion. REUTERS/Jonathan Ernst

U.S. Army Sergeant David Taylor salutes as World War II veteran Carl Mann is laid to rest on the 75th anniversary of the D-Day invasion, at Arlington National Cemetery in Arlington, Virginia U.S. June 6, 2019. Mann, who died recently at the age of 96, was among the Allied troops who stormed Omaha Beach in Nazi-occupied northern France during the second wave of the invasion. REUTERS/Jonathan Ernst TPX IMAGES OF THE DAY

A rifle team fires three volleys as World War II veteran Carl Mann is laid to rest on the 75th anniversary of the D-Day invasion, at Arlington National Cemetery in Arlington, Virginia U.S. June 6, 2019. Mann, who died recently at the age of 96, was among the Allied troops who stormed Omaha Beach in Nazi-occupied northern France during the second wave of the invasion. REUTERS/Jonathan Ernst

U.S. Army Sergeant David Taylor salutes as World War II veteran Carl Mann is laid to rest on the 75th anniversary of the D-Day invasion, at Arlington National Cemetery in Arlington, Virginia U.S. June 6, 2019. Mann, who died recently at the age of 96, was among the Allied troops who stormed Omaha Beach in Nazi-occupied northern France during the second wave of the invasion. REUTERS/Jonathan Ernst

U.S. Army Sergeant David Taylor salutes as World War II veteran Carl Mann is laid to rest on the 75th anniversary of the D-Day invasion, at Arlington National Cemetery in Arlington, Virginia U.S. June 6, 2019. Mann, who died recently at the age of 96, was among the Allied troops who stormed Omaha Beach in Nazi-occupied northern France during the second wave of the invasion. REUTERS/Jonathan Ernst

U.S. Army Sergeant David Taylor holds a folded U.S. flag as World War II veteran Carl Mann is laid to rest on the 75th anniversary of the D-Day invasion, at Arlington National Cemetery in Arlington, Virginia U.S. June 6, 2019. Mann, who died recently at the age of 96, was among the Allied troops who stormed Omaha Beach in Nazi-occupied northern France during the second wave of the invasion. REUTERS/Jonathan Ernst

U.S. Army Sergeant David Taylor gives a folded U.S. flag to Carl Mann II, the son of World War II veteran Carl Mann, laid to rest on the 75th anniversary of the D-Day invasion, at Arlington National Cemetery in Arlington, Virginia U.S. June 6, 2019. Mann, who died recently at the age of 96, was among the Allied troops who stormed Omaha Beach in Nazi-occupied northern France during the second wave of the invasion. REUTERS/Jonathan Ernst