Charc-Infested Waters.

Lockheed Martin Corp. has unveiled the concept for a new assault seacraft that borrows heavily from first-generation stealth aircraft as well as from special operations and attack helicopters. The covert, two-man, high-speed attack and reconnaissance craft is designed to fight off swarms of enemy suicide boats, attack diesel submarines and disable mines, says George Root, director of advanced programs. Lockheed Martin analysts hope will reach 50 kt., is considered to be another defense, Root said.