Splinter Cell Walkthrough:
Learning About the Ark
You have to track someone across the rig. Head up the ladder, take a right on pipe towards the rig. Now get onto the big pipe. Jump up, hanging from the pipe to go over an obstacle use B to bring your feet up. They say that they're going to be "blowing the bridge". Hang and go across on lower pipe. Crouch again and get a checkpoint.
Head to the right, hang-slide down the rope. Go up. Now head left, ducking, then go up the pipe. Climb down into the pipe which has been blown open for you. Crouch and move along inside the pipe. loading.
You're in a room. Head up the ladder and get a video of the technician. Trail the technician. Go diagonally to the corner, up to the beam. Go hand-over-hand under the walkway, then jump up onto the walkway. You get a "relay alert". Head up stairs, shoot a guy on the catwalk, then head up more stairs. There are explosions from the first air force strike. Advance straight ahead to the fire and take a left down a corridor. There might be a guy before you turn around the fire to shoot.
Now there's a corridor to the right, you'll find a technician and 2 body guards. Be careful not to get too close. Hide and watch them walk away. Follow them. Turn left again and at this corner turn left again. There will be a guard standing there and another guy who will come around shortly. Quietly kill them both.
The technician will say they have to go back around. Hold your position where the first guard was and they'll walk by the doorway and come to another door that seals behind them. You'll get a message about "stop following him you need his briefcase". You can't follow him through that door, go back outside to where you killed the guard. Go around corner to left, sneak past a fire, jump up to your right, to jump up to overhead pipe. Use B to bring up feet and go into building. Can shoot bodyguard while hanging. There's a shelf with a medkit. Other bodyguard and tech have gone.
You'll see cut-scenes of the tech running away during this. Go out the door and up a few flights of stairs. There's an enemy high left and ahead right. Take them and get another video. Find your way back down to where the technician started. He's sitting there with his briefcase. Just take it from him.
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