They must know we were gone, with no air craft on the pad and no answer on their comm, so they didn’t bother to pretend to be here to borrow some tools or exchange site data. Five SecUnits piled out of the cargo pods, all armed with the big projectile weapons assigned to protect survey teams on planets with hazardous fauna, like this one. From the pattern on the armor chestplates, two were the surviving DeltFall units. They must have been put into their cubicles after we escaped the DeltFall habitat.