From Space achievements

Destroy the Central Station Harvester

You have gained a level in the resistance mode.

Complete the Operation Tunnel Rat mission

Reach specialist level 20

Destroy the Suburbs Energy Harvester

Unlock a new character in the resistance mode

Reach specialist level 10

Have a full squad of co-op players

Destroy the Power Plant Energy Harvester

Complete the Operation Lightning Obelisk mission

Complete the Operation Downed Dragonfly mission

Complete the Operation Groundwork mission