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08 Apr 2017 3:46 p.m. PST
by Editor in Chief Bill

  • Changed title from "navy has lasser" to "navy has laser"


467 hits since 8 Apr 2017
©1994-2017 Bill Armintrout
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vicmagpa108 Apr 2017 2:45 p.m. PST

Entertainment
Laser weapons edge toward use in US military
Laurent BARTHELEMY,AFP 14 hours ago
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Washington (AFP) – A sci-fi staple for decades, laser weapons are finally becoming reality in the US military, albeit with capabilities a little less dramatic than at the movies.

Lightsabers -- the favored weapon of the Jedi in "Star Wars" films -- will remain in the fictional realm for now, but after decades of development, laser weapons are now here and are being deployed on military vehicles and planes.

Boeing, Lockheed Martin, Northrop Grumman, Raytheon -- all the big defense players -- are developing prototypes for the Pentagon.

The Navy has since 2014 been testing a 30-kilowatt laser on one of its warships, the USS Ponce.

Lockheed Martin has just announced a 60-kilowatt laser weapon that soon will be installed on an Army truck for operational testing against mortars and small drones.

The weapon can take out a drone from a distance of about 500 yards (meters) by keeping its beam locked onto the target for a few seconds, Jim Murdoch, an international business development director at Lockheed, told reporters this week.

But unlike in the movies, the laser beam is invisible to the naked eye.

By focusing the beam onto a target, the technology rapidly heats the inside of an incoming mortar round, causing it to explode mid-air. An impressive feat considering the round is moving at hundreds of miles per hour.

The laser weapon can also pierce the outer skin of a drone, taking out key circuits and making it crash.

For the moment, the lasers being tested are all of about this same power.

- Defeating a missile -

Mark Gunzinger, a senior fellow at the Center for Strategic and Budgetary Assessments, sees that relatively small output increasing rapidly.

Within just a few years, he expects far more powerful prototypes of more than 150 kilowatts.

Such a laser could knock out a missile sideways on, where it is most vulnerable.

He said special operations forces want to test such a system by 2020 on an AC-130 gunship that specializes in ground support for troops.

And within six to eight years, US forces could begin using laser systems of more than 300 kilowatts, he added.

That degree of power could knock out an incoming missile head-on. Eventually, reality will increasingly catch up with fiction.

The US military is also weighing the possibility of mounting lasers on drones flying at very high altitudes, making them capable of shooting down ballistic missiles shortly after launch.

Another bonus for the military from lasers is the promise of seemingly unending and cheap firepower.

Unlike conventional canons that need shells, laser canons are limited only by the amount of electricity that can be generated.

Gunzinger deems lasers as especially promising on warplanes, which could potentially get an unlimited reservoir of firepower to defend against adversaries' missiles.

"An aircraft doesn't have to return to base to upload more weapons. It could refuel and continue to operate with its nearly unlimited magazine," he said.

- Physical constraints -

But before laser technology can be integrated into combat planes, it must first be shrunk in size.

Currently engineers are running into physical limitations on how much portable power can be produced and ways of cooling the technology.

Lockheed wants to increase the power of its truck-mounted laser.

"For a vehicle like this, there will be some engineering limits," said Murdoch.

"We will run out of space … that's the kind of challenge we are working."

But industry reps and military officials say there's only one thing stopping lasers from garnering widespread operational use: government funding.

Congress is cautious. Lawmakers recall a lengthy program that cost more than $5 USD billion in which a Boeing 747 was retrofitted to carry a laser gun supposedly capable of shooting down enemy missiles.

The program was scrapped in 2012 over concerns it could never be operationally viable.

The laser beam used in that technology was generated by chemicals so was not strong enough to take out a missile.

Dynaman878908 Apr 2017 4:28 p.m. PST

> But industry reps and military officials say there's only one thing stopping lasers from garnering widespread operational use: government funding.

Yeah, let's blow millions (billions, maybe trillions) of dollars on something that does not outperform existing ballistic systems anytime soon.

ROUWetPatchBehindTheSofa09 Apr 2017 5:40 a.m. PST

Problem is that there isn't much call for lasers that can shoot stuff out of the sky outside the military, so they ain't exactly going to drop out of run of the mill commercial or academic research. And the potential of a functional integrated system is huge if anything the size of a mortar shell and up can be swatted.

Mako11 Supporting Member of TMP Inactive Member09 Apr 2017 10:53 a.m. PST

Call me when they get to 100+ MW.

alien BLOODY HELL surfer09 Apr 2017 3:58 p.m. PST

A ship called Ponce? No way.

Lion in the Stars09 Apr 2017 10:45 p.m. PST

@Alien Bloody Hell Surfer: As in the city of Ponce, Puerto Rico, named for Ponce de Leon the explorer.

Though the word doesn't carry much baggage in 'Murrican English, anyway.

No point in a laser that takes multiple seconds to kill any incoming, the USN needs something that can pop a Mach 3 sea-skimming missile in the time it takes to clear the horizon to (not) impact.

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