Navy’s New Laser Cannon

Tuesday, April 9th, 2013

In tests aboard the destroyer USS Dewey, the Laser Weapon System successfully shot down surveillance drones and fast boats:

The tubular Laser Weapon System (LaWS) is a solid-state laser that’s been in development for six years, at a cost of $40 million. It’s a directed-energy descendent of the the radar-guided Close In Weapons System (CIWS; it rhymes with “Gee Whiz”) gun already aboard surface ships. In December, following the successful Dewey tests, Greenert ordered the laser “out to the fleet for an operational demonstration,” said Rear Adm. Matthew Klunder, the Navy’s chief of research. And so next year, LaWS will have its trial by fire, when the Navy puts it on the deck of its new afloat staging base USS Ponce for its maiden voyage to the Middle East.

It just so happens that the LaWS’ ability to track and kill surveillance drones and swarming fast boats matches with Iran’s development of surveillance drones and swarming fast-boat tactics. And it just so happens that the Ponce will spend most of 2014 deployed in Iran’s backyard.

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The Navy won’t say just how many kilowatts of energy the LaWS’ beam is, but it’s probably under the 100 kilowatts generally considered militarily mature. The fact that LaWS can kill a surveillance drone and a fast-attack boat has more to do with the vulnerabilities of those systems than it its own prowess. It cannot stop an anti-ship missile, and its beam, about the circumference of a dime, will do little more than singe a fighter jet. And there remain significant challenges with cooling a shipboard high-energy laser, a necessary safety feature.

Ponce? Really?

Comments

  1. Ponce is almost certainly short for Ponce de León, the first European explorer to reach Florida. Still funny. Also, shameless plug.

  2. Hammerbach says:

    Named for the city in Puerto Rico, which is named for the explorer…

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