(CNN)In the sometimes hostile waters of the Persian Gulf looms the US Navy's first -- in fact, the world's first -- active laser weapon. The LaWS, an acronym for Laser Weapons System, is not science fiction. It is not experimental. It is deployed on board the USS Ponce amphibious transport ship, ready to be fired at targets today and every day by Captain Christopher Wells and his crew. "It is more precise than a bullet," Captain Wells told CNN.