The assault phase of D-Day - Operation Neptune, was one of the most complex amphibious operations in history, involving 7,000 ships and nearly 200,000 men. But despite this immense effort, the wider naval campaign has been broadly forgotten. In this episode of Battleground '44 Saul speaks to Naval historian Nick Hewitt and author of the fantastic new book, Normandy: the Sailors' Story: A Naval History of D-Day and the Battle for France. Nick tells us how, without the efforts of the naval campaign, D-Day would have failed. If you have any thoughts or questions, you can send them to - podbattleground@gmail.com Producer: James Hodgson X (Twitter): @PodBattleground Learn more about your ad choices. Visit podcastchoices.com/adchoices