Sector Headquarters had been established here when there were no other inhabitants.

After this one more he'd return to sector headquarters with a biting report to make on the way things had been handled before him.

And he certainly would have had time to notify sector headquarters if someone was trying to capture his ship.

He is to be taken back to Sector Headquarters to stand trial.

Then I thought we would have the answer at Sector Headquarters.

Sector Headquarters had been placed here because it seemed that civilians would not want to colonize so limited a world.

This office was deep within the sector headquarters.

"Kai, how long does an update take to reach a cruiser this far from a sector headquarters?"

Peron had been asking himself and the other two that question ever since they left Sector Headquarters.

"Remember what I told you when we were heading for Sector Headquarters?"