They were designed for colonial service rather than support of the main fleet.

The main fleet from the city had already gone.

"We need to stop that main fleet before it closes the range!"

The news that their main fleet had been effectively destroyed was being kept from the majority of the public.

In the pilot there appeared to be only one main fleet.

We won the first battle, then their main fleet arrived.

There were small scout ships which came on ahead of the main fleet.

As a result, some of the buses were absorbed into the main fleet.

The main fleet through the station is class 153s and 156s, and sometimes 158s.

If the main fleet failed to come, did not cover the evacuation, the 13th would be in deep trouble, and Joe knew it.