 250 rochins an hour, the sergeant shouted, his eyes widening. Comrade Lieutenant, he began and pointed at the radiometer. Logashev looked down at the digital readout and felt his scalp prickle with terror. 2,080 rochins an hour, an impossible number. Logashev struggled to remain calm and remember the textbook to conquer his fear. But his training failed him, and the lieutenant heard himself screaming in panic at the driver, petrified that the vehicle would stall.