"Here's how to win the medals in the game:

"Always make sure that you have a sniper in your team for the missions that require you to infiltrate a camp or base.  Bring the sniper up first to take out sentries at long range and it will make it easier when you bring in the rest of your squad." - TEM

"at main screen press x,l2,triangle,r2,select!all missions! title screen press l1,l2,r1,r2,select!to get all special features! pause and press l1,r2,l2.r1,select!to get god mode!" - the theving raccoon

"When you are entering into a possible hostile area have your men make sure you have your sniper at a elevated position, have your support men try and set up a perimeter around the area and have your men that are in position provide cover fire and try to keep the enemy pinned down or killed, you should then have your other team go in and infiltrate the area while your sniper or support men are providing cover fire." - anonymous