[8.4]. Mission 4 - Area 51: Infiltration (2)

Shut down air intercept radar: Immediately strafe left behind cover (press the cover button to crouch behind walls or objects) and eliminate patrolling guards. Collect their MagSec weapons and ammo, being wary of automatic machine guns. Proceed away from the helipad down the path, destroying another automatic gun with your MagSec. Around the corner, destroy the machine gun on your left. Continue forward, turn right, and destroy the two guards near the large tower using your Falcon or MagSec. After passing the tower, eliminate any guards emerging from the tunnel. If you have grenades, toss one through the hole in the fence to the left of the tunnel onto the snow to detonate mines and access the Rocket Launcher on the helipad. Take the Rocket Launcher, then ascend the tower and press the red button to open the gate. Descend the tower and enter the tunnel. At the tunnel's end, deal with the guards and the machine gun on your left. Return to the helipad where you found the Rocket Launcher. Stand on the helipad and toss a grenade towards the cliff to detonate any remaining mines. Veer left from the helipad to find a small opening in the steel wall; crouch and enter. Towards the end of this passage, you will find armor. Exit the small tunnel, kill the guard outside, and follow the path to its end. Turn right and destroy the two machine guns on the wall. Turn around, pass the hole in the wall on your right, turn left, and descend the side of the wall. Turn left again at the end and destroy the machine gun on the wall above you. Turn around, descend the ladder, and enter the hole in the ground. Enter the silver door ahead, veer right, and proceed to the back of the room. Plant your Explosives on the Computer Panel in the back. Quickly exit the room and ascend the ladder again. This completes the first objective.

Plant comms device on antenna: Return to the tunnel where you acquired the Rocket Launcher and follow it to the other side. Go left to find the antenna on a rock. Approach it and press the green button behind it to lower it. Equip your Comms Rider and throw it onto the antenna to complete the second objective. Return to the location where you completed the first objective.

Gain access to hangar lift: At the top, move forward and eliminate the guard in the center of the large open area. Take the key card he drops. To the right of where the guard stood, next to the large roll-up gates, is a key-reader on the left. Press B to activate it and open the gates. Enter the gates and proceed up the elevator on the left. Exit the elevator and eliminate the guards, being cautious of those wielding grenades. Successfully exiting the elevator completes the third objective.

Make contact with CI spy: Run to the ramp at the back of the room and ascend it. Follow the path at the top and use the elevator at the end. Exit the elevator and continue along the path until you reach another ramp. Eliminate any guards you encounter. Run underneath the ramp and through the open door to meet the CI spy and conclude the first part of Mission 4.