In this modern world, national security is constantly on high alert as terrorist organizations will do whatever it takes to spread fear and chaos. There are few who have the courage, strength, and fortitude to face these evil foes. You are one such person. In order to keep America safe, you must stand your ground and protect your country. A bloody battle waits for you. Prepare to fire your way through a bustling international airport, a nuclear facility on the brink of disaster, and the famous landmark bridge in an effort to stop the terrorists from carrying out their diabolical plans. The safety of the free world rests on your shoulders.