Nuclear Attack Submarine's (SSNs) Mission Statement

The U.S. Nuclear Attack Submarine is specifically designed for
the purpose of attacking and sinking other submarines, surface
combatants and merchant vessels. They must maintain the
dominance of the undersea battlespace by relying on:

* technological superiority
* mobility
* endurance; more time on mission, less maintenance time
* stealth
* speed
* mission flexibility
* nuclear power