04/25/2026
U.S. Navy Resumes Electromagnetic Railgun Testing at White Sands
The U.S. Navy has quietly restarted testing of its electromagnetic railgun weapon system, conducting a new round of trials in February 2025 at White Sands Missile Range in New Mexico. According to a recent review from Naval Sea Systems Command (NAVSEA), the three-day test campaign was designed to collect critical technical data on high-velocity projectile launches.The testing was carried out by the Weapons Systems Division (WSD) in cooperation with the Naval Surface Warfare Center Dahlgren Division in Virginia. The effort supported NAVSEA’s Joint Hypersonics Transition Office, which focuses on advancing next-generation high-speed weapon technologies.
Unlike traditional artillery, electromagnetic railguns use massive electrical currents to generate magnetic fields that accelerate a solid metal projectile to extremely high speeds. Instead of explosives, the projectile relies entirely on kinetic energy to destroy its target, meaning the destructive force comes from the impact velocity itself.The Navy first began researching railgun technology in 2005 under the Office of Naval Research. Early experimental systems, including prototypes developed by BAE Systems and General Atomics, were used to demonstrate the feasibility of electromagnetic launch systems and measure factors such as velocity, accuracy, power requirements, and barrel durability.
However, the program has faced significant engineering challenges. Railgun launches produce intense heat and enormous electrical stress, which can rapidly wear down the weapon’s rails and internal components. Additionally, generating the massive bursts of electrical power required for each shot remains a major technical hurdle for operational deployment.Despite these challenges, interest in railgun technology has continued globally. China and Japan have both conducted experiments with electromagnetic launch systems, with Japan even testing a prototype railgun mounted on a naval vessel.The latest testing at White Sands suggests the U.S. Navy is still evaluating the long-term potential of electromagnetic railguns as part of future naval warfare capabilities