Many enhancements and new stuff inside like new campaign script, new missions, new sounds and graphics fixes to DD hydrophones. Roughly sixty new cities, including ports and industry naval and airbase locations in Europe, North America, Britain and the Pacific region. New objects including ships, search lights, bunkers, minefields and air defenses. Enhancements to sub interior and exterior. Stationary ships in harbors and harbor patrols. Historical activity such as Dunkirk, Dieppe and D-Day. New radio messages. Optional installations like navmap aids, fatigue mod. Player can use historical maps showing French harbors and the PTO grid. The add-on includes 22 single missions and four multiplayer missions, as well as tutorials for 'Fire and Spread' and convoy attacks. Players even can resupply their U-boat now during missions. A powerful package to come, so watch out! Release August 2005