Britain's Royal Engineers have played a leading role in this crucial military operation, from the ravines behind the D-Day beaches to recent operations in Bosnia and Kosovo. The Royal Engineers have displayed incredible ingenuity in developing responses to the increasing amounts of firepower directed at bridging troops. This definitive study has been prepared with the assistance of the Royal Engineers and contains details on 170 pieces of bridging equipment, the history of all Royal Engineer assault squadrons, and accounts of all Victoria Crosses won during bridging actions.