Laser guns are in naval use
Following several years of research and development, Solid State Laser (SSL) weapons are now being deployed by the U.S. Navy as a form of short-range defence. These high-powered beams of directed energy can be fired at distances of four miles, hitting targets moving at 300 mph (480 km/h). This exceptionally accurate system can protect against anti-ship missiles, as well as shooting down drones and other flying vehicles, or it can be used on small "suicide" boats. It is actually cheaper than conventional projectiles, with a single shot costing under $1, compared to the hundreds of thousands of dollars required to fire a missile. This is extremely useful in a time of budget constraints. The weapons had been scheduled for deployment in 2016,* but were ready two years earlier than planned.** In the next decade, they will evolve into railguns with phenomenal range and power.*
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