"Systems are so erratic that it's difficult to be completely certain, but I think there's an unidentified ship approaching."

Whereupon the unidentified ship ceased to be of interest to him.

He ordered us to find out the eventual destination of the unidentified ship.

They're saying they've been attacked by an unidentified alien ship.

"And just how did you know we were approaching the unidentified ship at all, if I may ask?"

Suddenly, thousands of unidentified ships appear and open fire.

There were only two scouts on his tail, and that was standard for an unidentified commercial ship.

Let's turn to the moments leading to the destruction of the unidentified ship.

They claimed to have damaged the so far unidentified ship.

Out in space, the unidentified ship altered course, clearly bent on interception.