There were only twenty starships in the human fleet, each with four fighters.
"If there were no human fleet heading toward Lusitania, the question wouldn't come up."
You could be ready for the human fleet.
The human fleet must be destroyed because they are a threat.
On extreme sensor range, they saw the human fleet.
Behind them a small distance the rest of the human fleet also fell into position.
I think this machine is now fleeing from the human fleet.
They had probably decided that their first priority was to aid the human fleet.
During their first attack they intended to punch through the human fleet, currently in low orbit.
There were a thick layer of mines between the human fleet and the moon.