Are the colonial marines canon in the alien world?

pulserifle187
MemberOvomorphDecember 06, 20122236 Views3 RepliesWe know that the queen alien James Cameron created from the 1986 aliens movie is canon to the alien world, but are the colonial marines? going by the weyland industy timeline the colonial marines belong in the alien universe. Or did an james cameron fan write the timelime?
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