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They stuffed a real-life ray gun into a 747 to shoot down ballistic missiles and stuck a laser on top of a Humvee to zap roadside bombs. For more than 50 years, the United States military and its researchers have tried to develop laser weapons. None of them panned out.
But now, the US Army is about to make a working laser weapon an official part of its arsenal. The Pentagon is poised to sign a contract to acquire and rapidly deploy what’s called an Enduring High Energy Laser in and around bases across the world to defend them from drone attacks, according to sources familiar with the matter. The official announcement could come as early as this week. When the deal is signed, it will mark the first time that the US military will have committed to equipping its forces with laser weapons in significant numbers.
“For years, lasers were going to be the future, and they never really came to their own. Now, they’re actually coming to their own,” Mark J. Lewis, the former Air Force chief scientist, tells WIRED.
The Iran and Ukraine wars have shown that drones are now so cheap, so plentiful, and so deadly that they’re impossible to stop with any single countermeasure. Some of the traditional ones have been particularly clunky. During the early days of the Iran conflict, the US even resorted to firing $4 million Patriot missiles at $35,000 Iranian drones—a waste of money, and a move that depleted the American interceptor stockpile.
Modern lasers, on the other hand, never run out of ammunition. “Basically, you can keep firing them as long as you’ve got power,” Lewis says. “There are some other issues with lasers, including how rapidly you can refire and recharge. But if you solve those problems, then suddenly you’ve got a pretty nifty way to help counteract things like a drone swarm attack.”
That’s one reason why the US military, at this moment, has either deployed or is actively testing a half-dozen laser weapons systems, according to the Laser Wars newsletter. The Navy has installed laser “dazzlers” on two of its ships to blind drones’ electro-optical sensors. The Air Force’s command for Europe and Africa has sent Boeing’s Compact Laser Weapons System “to locations across the theater.” In late June, Defense Secretary Pete Hegseth traveled to the Army’s test range in White Sands, New Mexico, for a demonstration of all sorts of directed-energy weapon projects.
The deployments haven’t all gone great. Four vehicles equipped with Raytheon air-defense lasers were yanked from the Middle East after poor reviews from soldiers. One laser, built by the defense contractor AeroVironment and positioned along the southern US border, accidentally zapped a party balloon in February, causing the Federal Aviation Administration to briefly close the airspace around El Paso, Texas. Once it was reopened, the laser shot down a Border Patrol drone by mistake.
Despite such mishaps, the Army appears ready to go beyond the one-offs and the experiments. In fact, in some ways, the accidental kill helped make the case for the laser, proving it could actually take out such a drone.
The Pentagon and its suppliers had been scrambling to field something, anything to defend against mass-produced, low-cost attack drones. They’ve rolled out radio frequency jammers, microwave weapons, an array of missiles, drones designed to kill other drones, even copies of the Iranian robots. None of them in isolation have been enough. On March 1, an Iranian drone killed six US service members and injured 30 others.
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