All of which had to be pictured in Ty’s mind’s eye, since they already had left it far behind. But he had seen it many times, as it was one of the basic operations carried out many times a day at any aitrain port. The same flynks, organized in a different way, might just as easily have effected a high-altitude rendezvous with an orbiting bolo, or collected an aircraft and drawn it back downward to safe haven in the barn.