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,

The U.S. Navy has developed a directed-energy weapon that can intercept unmanned drones and possibly cruise missiles while enhancing naval operations in combat areas.