I used to think that every day of my first five-year mission.

He'd lost that fear in his first five-year mission on the Enterprise.

For me, our first five-year mission is divided more or less in half by that event.

The basic design had changed little, even from the days of his first five-year mission.

In turn, you might favor me with a discussion of your five-year mission.

People trying to come to decisions about what they would do when the five-year mission was over.

We're going out on a five-year mission to study the Saturn system.

It has been eighteen months since the end of the original five-year mission.

Those stories took place a few years after the original five-year mission.

It was as if not a day had gone by since their first five-year mission.