As soon as the first cutscene is over, you should see yourself climbing out of the cryotube. A flustered Thom Shephard will lead you out of the cryobay, but will soon be killed by a door exploding as it opens. Double back, you'll see a pair of pipes on your right (if you're facing away from the partially opened door), jump over it. Move through two more doors, and crouch under a half-raised blast hatch and move forward. Ignore the firefights going on in the hallway, you'll have plenty of Covenant to kill once you have a weapon, and there's nothing you can do to save these Marines and techs anyway. Move to your right, and you'll see a second door on the left side of the corridor. Move through a darkened room, follow the hallway, and you'll soon see a pair of techs and a Marine firing on som