"April, 1945. East of Berlin, the Red Army stands poised to unleash its final assault upon the ruined capital of Hitler's Thousand Year Reich. To the north, at a lonely outpost near the Baltic Sea, German scientists perfect a guidance system for the mighty V2 rocket, which has already caused massive damage to the cities of London and Antwerp. This device, known only by the codename Diamond Stream, will allow the rocket to arrive at its target with...