Iris and Tarik were up on the surface with ART-drone, on a flat stretch of rocky ground at the base of a plateau. They had just located a safe landing spot with the ground sensor and signaled the shuttle to come down. From the shuttle’s camera, the plateau looked natural, the same dark rock streaked with red mineral deposits, as the rest of the area. But the extrapolated map ART-drone had constructed said the installation had to be under it. Confused, Tarik said, "What?"