The tech for the TSEN units came from the Discovery. Even if we seal the place off... she could find some way to jury rig a teleporter system in there with those minions of hers and then all Loni would have to do is break into one of our bases and...

[Get to the Teleporters.]

That Brightsaber of his was probably built with the Lady's tech too... why else would the lockdown the commanders slapped onto it have rescinded for him? He wouldn't need any authorization if he's got someone with the ultimate backdoor.