I was thinking of the instance where a LC lands a unit then disappears as per the rules. I didn't believe the disembarked unit could move or battle, but then I couldn't find it in either the rules or online. Ditto the bunker reoccupation. Thanks to you both for your quick replies.
What I quoted from he rules is supposed to be the ruling on the units from "disappeared" LCs staying put. It isn't crystal clear in this wording.