Part 1: One Size Fits All
You start off this level by testing the new suit, complete the aiming check by following the Sergeant's instructions. When done step out and walk around, then move on to the Energy-Shield test station, the one opposite of the Sergeant. Next, activate the Energy-Shield test station and wait until it is done and Sergeant Major Johnson steps in. Fallow him to the elevator and into the Tram Car, wait until you it stops and step out of it to trigger a cutscene. Next into Cairo Station.