Missions Unlock:

When the cinema screen appears press a button as soon as the title screen comes up and says start very quickly press this code in X L2 TRIANGLE R2 SELECT. It Should be a different picture when you come to the start up screen if it worked

Get All Special Features:

When the cinema screen appears press a button as soon as the title screen comes up and says start very quickly press this code in L1, L2, R1, R2, X, Select

Be invincible:

When the cinema screen appears press a button as soon as the title screen comes up and says start very quickly press this code in L1, R2, L2, R1, Select

Awards and Medals:

Purple Heart: Get wounded or killed in action. Bronze Star: Get 15 kills Silver Star: Get 20 kills Distinguished Service Cross: Get 25 kills Congressional Medal Of Honor: Get 30 kills

Extra Levels:

After you beat the 15 levels don't think you are done ! There are another 8 levels that take place in the desert called "Ghost Recon Desert Siege"