Commander will explain you the general purpose of the new mission.
Wait until the engineer will pop swing open the door and follow the group.
Ammunition will be undoubtedly more useful to you in the future.
It is necessary to raise the temperature (at present it’s able to kill all soldiers).
Protect Strauss
You (as the assistance) and engineer will be assign to the task.
Be aware that the Gladiator is waiting for you in the first chamber (#73).
Watch out for Strauss and have a go at defeat the enemy by yourself.
After the short walk, you will eventually find the terminal.
Strauss should take care of it (#74).
Reach the operations room and help others in getting rid of the next enemies.
Go with allied soldiers.
Few dozen seconds after, you’ll get to the vast tunnel.
Though struggle awaits you there - it would be good for you to have big ammunition reserves.
After the hard clash, run with Voss to the door and (this time alone) move further.
Deactivate the Forcefield
Walk straight ahead, killing all enemies on the way.
Return to the Convoy
Return to the team.
Unfortunately, something will go wrong again.
give a shot to avoid cars and don’t shoot at the robot.
If you do that, you’ll only lose valuable ammunition.
Wait until Voss will stop mourning dead colleagues.
After a while he will launch the passage (#79) to channels - go there.
Once inside, move forward and don’t look back.
You’ll run into the first ladder in channels (#80).
During the crossing, you will get the new weapon - HyperBlaster.

Finally you’ll find the ladder that leads to the bigger hall.
From there jump on pipes (#81) and go up.
Walk ahead all the time and exterminate enemies (for Sentries use Machine Gun).
Knock all enemies out in the last room and take stairs to the top.
Here you’ll find the elevator (#82).
Use it to get to the main part of the complex.
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