 What goes wrong with the calking compound?
General Finogenov notified Major Winship that the underground blast was scheduled for the following morning. Next morning, before the sunlight exploded, the four of them donned their space suits and went and sat outside the dome, waiting. "Help?" " Nyet ," said Major Winship, exhausting his Russian. "Ah, it's all Russian. It then abated to something in excess of normal. "Well," Lt. Chandler commented, "even though we didn't build this thing to withstand a moonquake, it seems to have stood up all right." Air currents whisked it away and plastered it against a riveted seam of the dome. It pulsed as though it were breathing and then it ruptured.
 It ends up being epoxy resin, which activates and starts melting.
 It ends up being epoxy resin, which activates and starts melting.  They're unsure how to read the instructions and mix it incorrectly.  It's the wrong substance. Because of the language barrier, the Russians set them off with the wrong barrel.  The barrel doesn't fit in the space they need it to.