The Longest Day (movie)
Also important events surrounding D-day; British troops glider missions to secure Pegasus Bridge, the counterattacks launched American paratroopers scattered around Sainte- Mere-Eglise, the infiltration and sabotage work conducted by the French resistance and SOE agents and the response by the Wehrmacht to the invasion.  also shown is the uncertainty of German commanders regarding whether this is a feint in preparation for Allied crossings at the Strait of Dover where the senior German staff had always assumed where the invasion would take place.