Navy stealth destroyer Zumwalt nears final construction phase

The Navy's stealthy Zumwalt destroyer went into the water on Monday, with shipbuilders moving the warship into the Kennebec River before it moves dockside for final construction.

The Zumwalt, the largest destroyer ever built for the Navy, looks like no other U.S. warship, with an angular profile and clean carbon fiber superstructure that hides antennas and radar masts.

"The Zumwalt is really in a league of its own," said defense consultant Eric Wertheim, author of the "The Naval Institute Guide to Combat Fleets of the World."

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