Roehmer's Base Infiltration W - Syphon Filter
Roehmer's Base Infiltration Walk-thru
Take out the two guards behind the truck with the Gas Grenades found in the locker inside of the guard's room. Snipe out the guard on the over-head walk way THEN the search light (if you shoot the search light first, the guy will call for back-up, making your life a living he).
Go forward until you see the first gas-tank, but take out the guard tha's coming around the corner from the left, first. Look where the guy just came from and take out the guard patrolling in front of the gate. NOW plant the C-4.
Check to your left and see the guy coming down the ramp. Wait for him to leave, and Check your right. Take out this guard using the peek-a-boo tactic (see him when his back is turned) and head up the ramp.
Cross the walkway and wait atop until the two guards leave the scene. Kill the remaining guard and get the Night-Vision Rifle and Gas Grenades. Throw a Gas Grenade to kill the two guards aroung the corner and then sneak up and wait by their bodies. Kill the two guards on the walk-way next to the light and then take out the light. Walk ahead a few feet and kill the guard through the window, and plant the second C-4.
After the C-4 turn to your right and kill the guard past the boxes, make you way down the alley, gas the talking guards and take out the lights. head to your right and plant the third C-4.
Walk towards the tank but when you see the special guy, run all the way back and hide until he turns around, then kill him and pick up his card, FLAK, and ammo. Walk ahead, kill any remaining guards, and plant the fourth C-4.
Kill the guards around the corner and next to the door and open the gate, Head to the Power plant and kill the patrolling gaurd, HURRY kill the other guard next to the switch before he calls for backup. Hit the switch, and plant the final C-4. Now make your way to the bunker and prepare for a lot of guards in the next level.