I had the same problem and the defend the warsat event for Mars took me 3 hours to get and the moon took me 40 mins and Earth took me 1 hour meaning it took me well over 4 hours to do the hole quest
[quote]So I did most of the Sleeper quest on my titan, got all the parts for the core from the Warsats and whatnot and turned it in to the Gunsmith and then waited until the next Armsday. When I went to talk to him, I just got the quest again. Is this a known problem, or???[/quote] Look at the quest and the Cosmodrome map again. See that new Fallen S.A.B.E.R. Strike that's available?