The man on the screen was already nodding. "Yes, I heard they were chewing you about that this morning," he said, smiling. "I trust you preserved some sort of sang-froid?" "What's in their minds?" asked Smith. "Oh ... it seems that the Space Force is nervous over the Yoleenites. They are unable to evaluate the culture comfortably. To cover themselves, I imagine, they send a warning now and then on the possibilities of hostile relations." "Anything to it?" Starke grimaced briefly. "Unlikely. Some of the lads upstairs let it make them nervous." Smith chuckled. "Upstairs," they came and went, but Starke and men like him ran things and knew what went on. "Then I can go ahead without covering my tracks too deeply?" he asked. "I mean, I won't have to lie openly to my boss?" "Give him a few days to see the other side," Starke assured him, "and he will be demanding to know why you have not taken steps. Have them taken by then!" Smith thanked him for the advice, switched off, and returned to his place at the table. Nods from the others confirmed that they had heard. "I have a feeling about those Yoleenites," grumbled Lydman. Smith waited for elucidation, but the big man had sunk into contemplation. The other two eyed him, then each other. Parrish shrugged ever so slightly. Smith gnawed at his lower lip. "Well, then, you'll be going ahead with what you planned," he reminded Lydman. "Oh, sure!" answered the ex-spacer, snapping out of it. "Can't help it. I've already sent him something useful." The others smiled. "Something useful" was Lydman's term for a cleverly designed break-out instrument. Smith hoped that in this case it would not turn out to be a bomb. "We dug a little mechanical crawler out of the files," Lydman went on. "The Yoleenites seem to build their cities like a conglomeration of pueblos, very intricate and with hardly any open streets. There would probably be a hundred routes in to Gerson, even if we knew exactly where he is. This gadget is adjusted to home on certain body temperatures which it can detect