Keeping the Straits of Hormuz Open: New Weapons System to Counter Swarm Attacks. Juliet Marine Systems, Inc., (JMS), a privately funded company, has announced plans to select a weapons integrator for its revolutionary new product, GHOST. GHOST is a high-speed attack craft specifically designed to protect vital waterways like the Straits of Hormuz and to counter threats such as piracy, which is increasing in many areas of the world. GHOST has been compared to an attack helicopter on the water.