He also provides them with a hidden base underneath the University's ice rink.

They went swiftly back to the hidden base in the Rockies.

They were the unnoticeable background noises of the hidden base from which he'd come.

We know they've been flying some of these guys from a hidden base somewhere way out in.

A rebel squad must go to their hidden base and retrieve the device.

Soon afterwards X-23 began to search for a hidden base.

"You'll have to search Sector 16 until you find out where the fellow has his hidden base."

One move on their part, and I blow up that little hidden base of theirs.

"We feel a hidden Romulan base is also a possibility."

There's supposed to be a whole hidden base up north of here, but it seems like we're going in a circle.