By 1943 the German "Uranium-Club" was hoping to harvest the energy of the atoms. One of the things they still needed for their experiments was the moderator "heavy water", which was produced for them in the hydro-plant "Vemork" in occupied Norway. British High Command authorized a top-secret mission to prevent it from ever reaching Germany. A group of highly trained commandos was to parachute in and destroy the heavy water facility by any means necessary.

Erwin Rommel loses his command and leaves Tunisia, while change in American command there puts George Patton in charge. On the ground the Axis lose the Battle of Medenine, but in the Soviet Union, Axis forces are on the move and heading for Kharkov.