Key Points and Summary - In a massive 1999 naval exercise, the Dutch diesel-electric submarine HNLMS Walrus, playing the role of an adversary, achieved a stunning simulated victory against a U.S. aircraft carrier strike group. -Told it was "expected to lose," the submarine's skilled crew used stealth and passive sonar to penetrate the defensive screen. -The Walrus "sank" multiple escorts before launching a successful mock torpedo attack on the supercarrier USS Theodore Roosevelt. The carrier is valued at around $4.5 billion and has thousands of personnel on board. -It then daringly sailed directly underneath the carrier to escape, proving the...