"This Unit is the only one of it's make." She corrected him, at the mention of kin and kind. "Naju had alien species upon it, all fighting amongst themselves for the planet itself."

Oh, right how she did it. Her back kibble twitches a little before she actually answers that.

"By eliminating the threats in this Unit's path to the self-destruct program that previous species upon Naju had installed in the case of such a situation."

In other words, she killed everyone on the damned thing then set up the bomb.