BLETCHLEY, UNITED KINGDOM - MAY 14: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 24 HOURS AFTER CREATE DATE AND TIME) Catherine, Duchess of Cambridge visits the 'D-Day: Interception, Intelligence, Invasion' exhibition at Bletchley Park on May 14, 2019 in Bletchley, England. The D-Day exhibition marks the 75th anniversary of the D-Day landings. (Photo by Max Mumby/Indigo/Getty Images)