New Mission Suggestion: Containment

[(XBOX)DarkPhoenixRise]

With the threat of the infestation, I think that Tenno would be ideal for one task that doesn't seem to have been talked about.

Containment. 

This would be like a defence mission. Except, the task would be to act as the first line of containment at a planet side choke point. Beyond that chokepoint would be a warren of some sort of spawn points (half a colony, cave system, crashed ship, etc.) and behind the chokepoint would be multiple likes of escape. 

I would imagine that any enemies that successfully pass the players to an exit will increase a slowly decreasing counter. Once that counter reaches a certain level, containment is broken and they've lost the mission. 

To limit the overpowering effects of AOE weaponry, the chokepoint could be quite large, and/or there could be a build process to add walls/barriers/forcefields similar to the way we can on the Zariman. Except, these wouldn't be immune to friendly fire.