We were operating on an assumption: that since They, whoever They were, didn’t know that we knew They were here, They would only send one ship. They would be expecting to catch us in the habitat, and would probably come in prepared to destroy the hoppers to keep us there, and then start on the people. So now that we knew They were coming from the south, we were free to pick a direction. The little hopper curved away to the west, and we followed.