The Navy says it is working to reduce the growing costs of fighting Houthi drones launched from Yemen by placing two new experimental systems on destroyers that are slated to deploy later this summer. "We're going to be deploying the Ford strike group with two additional missile systems on our destroyers -- the Roadrunner system and the Coyote system -- both specifically designed to go after UAVs," or unmanned aerial vehicles, Adm. Daryl Caudle, the commander of U.S. Fleet Forces, told