Britain's Prime Minister Theresa May and French President Emmanuel Macron attend an event to commemorate the 75th anniversary of D-Day, in Portsmouth, Britain, June 5, 2019.
U.S President Donald Trump and French President Emmanuel Macron look on in the Normandy American Cemetery to commemorate the 75th anniversary of the D-Day landings, Normandy, France, June 6, 2019.
U.S President Donald Trump sits next to WWII veterans during a ceremony to mark the 75th anniversary of the D-Day at the Normandy American Cemetery and Memorial in Colleville-sur-Mer, France, June 6, 2019.
Jets from the French Air Force Patrouille de France fly during a ceremony to mark the 75th anniversary of the D-Day at the Normandy American Cemetery and Memorial in Colleville-sur-Mer, France, June 6, 2019.
People gather during an event to commemorate the 75th anniversary of D-Day, in Portsmouth, Britain, June 5, 2019.
American and French flags are seen in the cemetery of Colleville-sur-Mer in Normandy, France, June 6, 2019.
Jets from the French Air Force Patrouille de France fly during a ceremony to mark the 75th anniversary of the D-Day at the Normandy American Cemetery and Memorial in Colleville-sur-Mer, France, June 6, 2019. REUTERS/Christian Hartmann - RC124F41C610
U.S. President Donald Trump and French President Emmanuel Macron react during the French-USA Commemoration marking the 75th anniversary of the Allied landings on D-Day at the Normandy American Cemetery and Memorial in Colleville-sur-Mer, France June 6, 2019. Ian Langsdon/Pool via REUTERS
Veterans gesture on stage for the event to commemorate the 75th anniversary of D-Day, in Portsmouth, Britain, June 5, 2019.
(Front row, L-R) British Prime Minister, Theresa May, Prince Charles, Prince of Wales, Queen Elizabeth II, U.S. President Donald Trump and First Lady of U.S. Melania Trump attend the D-day 75 Commemorations event in Portsmouth, Britain, June 5, 2019. Chris Jackson/Pool via Reuters
A British battleship that survived World War Two, the HMS Belfast, recreates the moment the first guns were fired in Normandy on June 6, 1944, marking the 75th anniversary of D-Day, in London, Britain June 6, 2019.
U.S President Donald Trump and First Lady Melania Trump react in the Normandy American Cemetery to commemorate the 75th anniversary of the D-Day landings, Normandy, France, June 6, 2019.
U.S President Donald Trump greets a WWII veteran during the commemoration ceremony for the 75th anniversary of D-Day at the American cemetery of Colleville-sur-Mer in Normandy, France, June 6, 2019.
Paratroopers jump during a commemorative parachute jump over Sannerville in Normandy as France prepares to commemorate the 75th anniversary of the D-Day, France, June 5, 2019.
Guests attend a Service of Remembrance at the Commonwealth War Graves Cemetery in Bayeux for the 75th anniversary of D-Day, Normandy, northwestern France, June 6, 2019. Bertrand Guay/Pool via REUTERS
U.S President Donald Trump and First Lady Melania Trump react as they sit next to WWII veterans during a ceremony to mark the 75th anniversary of the D-Day at the Normandy American Cemetery and Memorial in Colleville-sur-Mer, France, June 6, 2019. REUTERS/Christian Hartmann - RC1DF638AD70
Canada's Prime Minister Justin Trudeau participates in an event to commemorate the 75th anniversary of D-Day, in Portsmouth, Britain, June 5, 2019.
U.S. President Donald Trump, first lady Melania Trump, Greek President Prokopis Pavlopoulos and German Chancellor Angela Merkel attend an event to commemorate the 75th anniversary of D-Day, in Portsmouth, Britain, June 5, 2019.
French President Emmanuel Macron and British Prime Minister Theresa May lay a wreath of flowers at the commemorative first stone of a British memorial during a Franco-British ceremony in Ver-Sur-Mer as part of ceremonies to mark the 75th anniversary of D-Day landings in Normandy, France, June 6, 2019. REUTERS/Philippe Wojazer/Pool - RC17E685D220
U.S President Donald Trump greets WWII veterans during a ceremony to mark the 75th anniversary of the D-Day at the Normandy American Cemetery and Memorial in Colleville-sur-Mer, France, June 6, 2019.
U.S President Donald Trump greets French President Emmanuel Macron during a ceremony to mark the 75th anniversary of the D-Day at the Normandy American Cemetery and Memorial in Colleville-sur-Mer, France, June 6, 2019.
U.S. World War II paratrooper veteran Tom Rice, 97 years-old who served with the 101st Airbone, jumps during a commemorative parachute jump over Carentan on the Normandy coast ahead of the 75th D-Day anniversary, France, June 5, 2019.
French President Emmanuel Macron greets a U.S. veteran during the French-USA Commemoration marking the 75th anniversary of the Allied landings on D-Day at the Normandy American Cemetery and Memorial in Colleville-sur-Mer, France June 6, 2019. Ian Langsdon/Pool via REUTERS
U.S President Donald Trump is seen on the stage during the commemoration ceremony for the 75th anniversary of D-Day at the American cemetery of Colleville-sur-Mer in Normandy, France, June 6, 2019.
Soldiers stay stand for the event to commemorate the 75th anniversary of D-Day, in Portsmouth, Britain, June 5, 2019.
U.S. World War II paratrooper veteran Tom Rice, 97 years-old who served with the 101st Airbone, jumps during a commemorative parachute jump over Carentan on the Normandy coast ahead of the 75th D-Day anniversary, France, June 5, 2019. REUTERS/Pascal Rossignol - RC17217DA010
U.S President Donald Trump is seen on the stage during the commemoration ceremony for the 75th anniversary of D-Day at the American cemetery of Colleville-sur-Mer in Normandy, France, June 6, 2019. REUTERS/Carlos Barria - RC131C9C6400
Scottish WWII D-Day veteran John Lamont puts a remembrance wooden cross adorned with a poppy at a tomb after the Royal British Legion’s commemoration ceremony to commemorate the 75th anniversary of D-Day, at the Commonwealth War Cemetery in Bayeux, France, June 6, 2019.
French President Emmanuel Macron and British Prime Minister Theresa May lay a wreath of flowers at the commemorative first stone of a British memorial during a Franco-British ceremony in Ver-Sur-Mer as part of ceremonies to mark the 75th anniversary of D-Day landings in Normandy, France, June 6, 2019. REUTERS/Philippe Wojazer/Pool
WWII veterans are seen during a ceremony to mark the 75th anniversary of the D-Day at the Normandy American Cemetery and Memorial in Colleville-sur-Mer, France, June 6, 2019.
Britain's Queen Elizabeth, U.S. President Donald Trump, First Lady Melania Trump, German Chancellor Angela Merkel and Dutch Prime Minister Mark Rutte, participate in an event to commemorate the 75th anniversary of D-Day, in Portsmouth, Britain, June 5, 2019.
WWII veterans are seen during a ceremony to mark the 75th anniversary of the D-Day at the Normandy American Cemetery and Memorial in Colleville-sur-Mer, France, June 6, 2019. REUTERS/Christian Hartmann - RC12860CF540
British Prime Minister Theresa May (CL) is kissed by veteran Robert Yaxley (CR) following a service of remembrance at Bayeux cemetery in Bayeux, France June 6, 2019. Leon Neal/Pool via REUTERS
D-Day 75th anniversary commemorations