Dan Snow presents WWII Unearthed - BBC1 - Sunday 15 July

Tune into BBC1 at 5.30pm on Sunday 15 July as Dan Snow reveals the role Northern Ireland played in the Battle of the Atlantic during the Second World War, and how excavations in Italy illustrate Northern Irish soldiers' experiences on the battlegrounds of Europe. Plus, divers explore sunken U-boats and a wartime Spitfire is dredged from an Irish bog.