In this acclaimed undersea thriller, Michael DiMercurio, a veteran submarine officer and author of Threat Vector and Piranha Firing Point, takes readers behind the scenes of a naval crisis-and below the surface...

A new independent nation has emerged in Asia-with a nuclear arsenal. And its most powerful geographic neighbor has launched a preemptive strike against them. The result: worldwide outrage. When a U.N. blockade against the aggressors is met with underwater attacks, Admiral Michael Pacino is forced to take on one of the world's strongest nations-and destroy one of the greatest submarine fleets.