Glacial Drift, Mars

Zavala: The Red Legion have taken enough from us. Now they're here on Mars, scavenging the ruins of our Golden Age. Scouts have reported activity in your area. Intercept them and find out what they're up to.

The Guardian finds a chest with a command map.

Ghost: There's a chart here. It's… a plan of attack on the Bray Facility.

Zavala: Get there A.S.A.P. If you hurry, we can catch them in the act.

BrayTech Futurescape, Mars

Ghost: The Red Legion have stolen energy from the facility!

Zavala: Don't let them go offworld with those batteries. Destroy them at once.

The Guardian destroys the batteries.

Zavala: That puts an end to that, but nothing's stopping the Red Legion from coming back.

Ghost: If we can get Cabal communication codes, I can send a signal to the Red Legion.

Zavala: Then you ambush them and put an end to their operation. I like where your head's at.

The Guardian defeats several Ouragos Phalanxes and obtains comm codes from them.

Zavala: There's a gulch near you that will be the perfect ambush spot. I've made arrangements for a special surprise.

The Guardian heads towards the ambush spot.

Zavala: Devrim Kay had some leftover explosives that we can put to good use. He sends his regards.

Ghost: Why does Devrim have leftover explosives?

Dynamo Approach, Mars

The Guardian transmats the explosives into position.

Ghost: Let's get to high ground before our guests arrive.

Ghost sends a signal to the Cabal. The Guardian defeats the Cabal who appear in response to the signal.

Ghost: I think we've upset whoever's in charge.

Val Palusk appears. The Guardian defeats Val Palusk.

Ghost: That should disrupt the Red Legion Legion supply chain for a while.

Zavala: Excellent work. We can't bring back those we lost, but we can make sure the Red Legion never has the opportunity to hurt us again.