July 4, 1961, 0415 hours: Captain Zateyev receives a heart-stopping report: Water pressure in the starboard nuclear
reactors cooling system has dropped to zero. The coolant pumps have stoppedit looks like a rupture in the primary
coolant loop. Without coolant, the temperature in the reactor core will rise unchecked.
Fifteen hundred miles (2,400 kilometers) from home and with no known means of rescue, captain and crew must somehow
cool the reactor and prevent a very possible meltdown.
Next: The Rupture >>