After the humans had settled down, either sleeping or deep in their own feeds, I walked the perimeter and checked the drones. The night was noisier than the day, but so far nothing bigger than insects and a few reptiles had come near the hoppers. When I cycled through the big hopper’s hatch, Ratthi was the human on watch, sitting up in the cockpit and keeping an eye on its scanners. I moved up past the crew section and sat next to him. He nodded to me and said, "All’s well?"