Colin Flint

• The untested technology that the success of D-Day depended on

  Colin Flint | Tue 4 Jun 2019 15:21 BST

  When Allied troops stormed the beaches at Normandy, France on June 6, 1944 – a bold invasion of Nazi-held territory that helped tip the balance of World War II – they were using a remarkable and entirely untested technology: artificial ports.