Maintaining the wormhole eventually had to be dropped and it did not continue then. Vatcoad still was with them, and a few words were learned, a few of his by some others, and some of the words of the current language used among the team by Vatcoad himself. He would remain with them and provide further information, as there was nowhere for him to return to, he would have had no future where he had been in that past last. And an expedition was planned, when funds were gathered sufficiently and there would be volunteers, for going to the location identified where there had been that impact.