"Wasn't that the alien probe that gave us trouble when those ambassadors were here?"

It did meet a completely alien probe in deep space.

That would be a parallel if Nomad is actually the alien probe intact.

The impact-threatening asteroid Attila turns out to be an alien probe.

He thought back to the alien probe in the Wildcat.

The alien probe broke off its attack and turned to face its new foe.

Dragon - a living, alien probe constructed and deployed by Maker.

The tradition began over a hundred years earlier when the building was repaired after an alien probe nearly destroyed the planet.

Outside, the alien probe lifts off and suddenly explodes.

The alien probe was close now, by astronomical standards, and the screen showed it in fine detail.