A laser weapon system on the USS Ponce, which has been deployed to the Persian Gulf. The Navy released a video showing the system taking target practice. John F. Williams/U.S. Navy hide caption itoggle caption John F. Williams/U.S. Navy The Two-Way Watch: Navy Ship Uses Energy Weapon In Persian Gulf December 10, 2014 The U.S. Navy says it made a "historic leap" by deploying a laser weapon system for the first time. A video shows the system, based on the USS Ponce in the Persian Gulf, taking target practice.