Your base is under attack! Get your best chopper out there immediately and demolish every enemy unit on sight. Don't forget to build towers and repair damaged towers to help accomplish your mission.
Prepare for the battle to protect your base and complete your Lone Ops by taking down enemy troops. Upgrade your artillery and special attacks as needed.
By the time of WWII, the Nazis built the weapons that were far more superior than others so a Union Army was sent to spy on them. Your mission is to destroy the enemy's newly manufactured tanks.
