The light from the fusion drive didn't show us the ground until we were two hundred feet up.

Show them that the fusion drive changes the economic picture.

I'll be building a second fusion drive and he doesn't even know it!

"The military ship took off from the field on its fusion drive."

Joshua couldn't think of anyone who used a fusion drive.

Now the fusion drive was used only for making electricity.

The fusion drive started and built up to one gee.

It was as though someone had fired a fusion drive into the station.

The light of every fusion drive has to be watched.

The main fusion drive hadn't been touched in the battle.