Inside the cage it was no different from a training mission.

I've been on some training missions, but never gone outside of the solar system.

We're to be ready for departure on a training mission in three days.

Someone always gets hurt on one of his training missions.

I don't think you should try to help him in this; it's his training mission.

He had just arrived at the space station for a training mission.

This was supposed to be a training mission, of course.

In the background, two more took off on training missions.

But the training mission is going much more slowly than expected.

"We train around here every day, and it wasn't much more than a training mission."