When an international crisis erupts in eastern Russia, the US Navy must race to avoid a nuclear apocalypse. The Sea of Okhotsk north of the Japanese Home Islands is a cold and unforgiving place. Its icy, dark waters can change from a glass-smooth calm into a raging maelstrom in a heartbeat. The shores surrounding the sea, home to Siberian tigers and prowling wolf packs, are equally forbidding. Far from Mother Russia, beyond...