The Star Trek Experience has closed in Las Vegas, and those rides will never be seen again.
Should Disney work out a deal with CBS (and Hilton Hotels) to repurpose those existing rides for a DCA attraction? Disney has a pre-existing contract with CBS over The Twilight Zone, so it wouldn't be out of the question. There's that unused corner of Hollywood Pictures Backlot over by the Hyperion where the restrooms are. They could put a Star Trek attraction there while using the two rides from Las Vegas.