The destroyer Preble successfully test-fired its HELIOS system on a drone target, according to a recently released report.

US Navy's HELIOS weapon can generate more than 60 kilowatts of directed energy, with potential upgrades to 120 kilowatts. Despite the test's success, the Navy has encountered significant challenges in developing laser weapons,

HELIOS is a high-powered laser weapon designed to neutralise threats like drones, fast attack boats, and even missiles.