 What was the issue with having Pinov on the communication system?
General Finogenov notified Major Winship that the underground blast was scheduled for the following morning. Major Winship attempted unsuccessfully to communicate with Base Gagarin. "Is Pinov," came the reply. When—boom?" "Is Pinov," came the reply. "When?" "Boom—boom!" said Pinov. "I'll try again," Major Winship said and switched to the emergency channel. "Is Pinov. "Pinov's still there," Major Winship said. He crossed with the floating moon-motion to the airlock and entered, closing the door behind him. Air currents whisked it away and plastered it against a riveted seam of the dome. Major Winship said, "they should have made these things more flexible."
 He didn't speak English
 He rarely paid attention well enough to handle the communications.  He didn't speak English  He didn't know how to work the system properly.  He always selected the wrong communcations channel