Then they protested that it was on a spy mission.

"Are you sure you're up to this spy mission?"

At the meeting North suggested a spy mission and introduced him to an unnamed man.

Colombian military officials said the men were involved in a spy mission.

Included in that service were spy missions to the province of Quebec.

The Betazoid had a feeling that time was running out on this spy mission, and someone else could be coming.

Q. What is the earliest recorded spy mission in history?

I will want your advice on planning the on-planet spy mission.

A man tells of three different spy missions he took part in.

Now you're talking about a dangerous spy mission, followed by a major act of sabotage.