Question: where are all five ego outposts?
Answer: E.G.O. Staging Post location - north of Dirty Docks:
E.G.O. Hanger location - north of Rainbow Rentals and south-west of Holly Hedges:
E.G.O. Science Station location - west of Pleasant Park, on the coast:
E.G.O. Comm Tower location - south-west of Misty Meadows: