Some guys figured out a way to get from the bases on Adrift to the man cannon region using jetpacks. There's a soft kill barrier to prevent camping up there and it seems pretty awesome. Check it out
Aw yeah, I saw that earlier That'd make a great temporary vantage point. Guys running up behind you from the corridors, you make a left and jetpack up there, ninja their asses. Good stuff. I must try.