None lurking about the engine area or the connecting hallways thereof. The crew quarters are probably housing many of the remaining. The cargo hold might be worth examining briefly as well, if they intend to bring back the cows. If Shu's estimate is anywhere near correct, there are either four or six more to deal with - and if not correct, perhaps somewhat more than that.

Outside, Shu has taken up the sentry's role of lightly humming, though she is considerably better at the task. The seeds that pop up from the land around her spread down the side of the building towards the unlocked gate. They can warn her if anyone is about to come up this way.