It's the final stages of WWI. Victory is in sight, but there are still battles to be fought and won. As part of the allied war effort, it is your task to protect selected bases, wipe out remaining German forces and bring an end to the war.
A war has started and the modernized Green Beret armies are attacking the castle. Protect the castle by shooting down the Green Beret forces and the air supplies to gain more experience to earn new weapons.