 Complete the following phrase:  Led by Army Colonel Claus von Stauffenberg, several German High Command officers plan to assassinate Adolf Hitler and take control of the German government, with the ultimate intention of surrendering their country to the Allies. Stauffenberg manages to plant a bomb, hidden in his briefcase, in Hitlers battlefield headquarters. By sheer luck, Heinz Brandt unwittingly moves the briefcase slightly, and Hitler survives the subsequent blast. In the final hours of 