Fancy reliving the D-Day landings? Channel 4 are taking us right the way back to the beaches of Normandy in a two part 24 hour special, played out in real time across TV, mobile devices and the web. We'll be retracing the steps of seven people who were involved in the invasion, getting moment by moment updates about their fate.In this first segment we'll be finding out more about the participants, which include a paratrooper, submariner, nurse and cameraman. Will they survive D-Day? You'll just have to watch and find out...