How to Glitch to Helipad at OKB Zero (Metal Gear Solid 5) in MGSV: Phantom Pain?

Step 1

You will need to go to OKB zero in free room.

Step 2

And put D-Walker on the truck.

Step 3

You have to move truck next to the cargo lift.

Step 4

And then get on D-Walker.

Step 5

The next thing you have to do is supply drop any vehicle.

Step 6

Explore, and then make your way to the Helipad.

Step 7

Now you have to explore the Helipad.

Step 8

Examine blocked hole in more detail.

Step 9

And then glitch under the stairs with D-horse.

Step 10

Success! Now, you will need to go down the big hole.

Step 11

The stairs end here.