Mission 1 - Clean Up
Marine forces have failed to neutralize a Covenant stronghold and are requesting Spartan assistance.
Mission 2 - For Science
An Infinity Science team issued a distress call, then went silent. There has been no contact since.
Mission 3 - Hacksaw
Marine squad Hacksaw is pinned down and requests Spartan assistance.
Mission 4 - Pelican Down
Fireteam Crimson has been shot down.
Mission 5 - Gagarin
Science Team Gagarin, last seen researching location codenamed Refuge, is MIA. No distress call
- Cowboy Out.