The undated image shows the U.S. Navy testing a weapon system known as HELIOS from the USS Preble destroyer in the middle of the ocean.

In the vast expanse of the ocean, a streak of white light pierces the sky. It’s not a natural phenomenon, but a weapon — a high-energy laser fired from the deck of a U.S. Navy destroyer. This is HELIOS,

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