USS Preble Fires HELIOS Laser Weapon Developed by Lockheed Martin, HELIOS is a directed energy weapon (https://bulgarianmilitary.com/amp/2025/02/03/uss-preble-fires-helios-laser-in-stunning-new-us-navy-photo/) integrated into the fleet to enhance defense capabilities against modern threats. Visit the links below to find out more of what they are used for.