This one, the astronauts decided, would be called Discovery, after the most famous of polar exploration ships.

Grace, have we gotten anything new from the exploration ship?

Recently an exploration ship returned from a voyage into the outer tracts, Half her crew had died.

This was to be an exploration ship, not a military one.

She was the first female scientist to work on British and Spanish exploration ships.

I tried to deal with the rulers of the exploration ship.

The most powerful civilization is built around one of the old exploration ships, the Behemoth.

Not according to the data in the log of the medic on board the exploration ship.

Byrd's exploration ship reached the ice shelf on December 25, 1928.

"I'm so glad I've been assigned to an exploration ship rather than to a survey team."