Terminal 3/Find UNSC forces | Infinity Halo 4 Guide
Last update: 11 May 2016
When you control your character, turn 180 grades to find another terminal. When you get outside you'll be attacked again.
Go up via path on left. You run into marine attacked by opponents. Nearby bags with sand you find Hologram module. Kill enemies and head to the base.
At the very top, you see two enemy's cannons, which you should destroy by firing when they're charging. Resupply ammo, use a console on right an prepare for an another attack.