Japan Fires High-Power Laser Weapon from Warship Japan has successfully tested a 100-kilowatt laser weapon on a 6,200-ton naval warship, demonstrating its ability to cut through metal and shoot down drones mid-flight. Unlike missiles, laser weapons fire at the speed of light, cost almost nothing per shot, and require no ammunition. Important Details: • 100-kilowatt directed-energy weapon • Tested on active naval warship • Cuts through metal targets • Shoots down drones mid-air • Near-zero cost p