COG Tags 01 - After being released from your cell you'll choose one of two paths. Whichever path you choose, you'll walk into a large room. Move straight across the room to find the COG Tags. Click here for an image of the location.
COG Tags 02 - You'll engage in a fire fight in another large room. After a lull in the action, enemies will cut through the set of doors and attack. Move away from the cut doors to the back of the room and find the COG Tags near a crate of ammo. Click here for an image of the location.
COG Tags 03 - As you exit the room where you found the second set of COG Tags, climb the set of steps immediately to your left. The third set of COG Tags will be to your left when you reach the top of the platform. Click here for an image of the location.
COG Tags 04 - After the mission starts you'll go up some large stairs and then enter a fire fight in a small outdoor section. The COG Tags are in the area where the enemy was firing from. The tags will be pointed out to you on your first play through the game, so they're tough to miss. Click here for an image of the location.
COG Tags 05 - After going over a bridge with the dead COG soldiers point of interest you'll enter a large room and battle through a couple Emergence Holes worth of enemies. Just before the exit doorway look to the left to find the COG Tags. Click here for an image of the location.
COG Tags 06 - As you move into the section with the fountain, continue straight ahead and to the left of it. The COG Tags will be near a few grenades. Click here for an image of the location.
COG Tags 07 - Immediately after a talking scene where you're forced to walk slowly, slam a door open and head through the fence and to the left. Note the crack in the earth to your left, and follow alongside it to find the COG Tags in a corner. Click here for an image of the location.
COG Tags 08 - Just after rescuing Cole you'll go through a door to a hallway where you need Jack to rip the next door open. The COG Tags are to the left as you enter this hallway. Click here for an image of the location.
COG Tags 09 - After a fire fight in what appears to be a church of sorts, move through a doorway and come down a set of short stairs. Move up to Rojas' body and turn almost completely around to spot the COG Tags. Click here for an image of the location.
COG Tags 10 - This chapter begins right after the cut-scene where you see Raam for the first time. When you regain control of your character, you're in a hallway. Turn around and move through the hallway to find a few small fires on the floor. The COG Tags are near the flames. Click here for an image of the location.
COG Tags 11 - You need to be quick about this one. While luring the Berserker from room to room by smashing doors, look to the left of the third door (the exit). The COG Tags are in a small alcove here. Click here for an image of the location.
COG Tags 12 - Once the third door is smashed and the exit is clear, run outside and immediately turn left. Follow the wall and pass two large, planted trees, then look in a corner on the outer wall for the COG Tags. Click here for an image of the location.