https://spirecomm.com/wp-content/uploads/2018/01/thenationalinterest.png45125Beth Boyterhttps://spirecommunications.com/wp-content/uploads/2017/12/SpireLogo-300x138.pngBeth Boyter2020-03-17 20:15:592020-03-17 20:15:59DARPA Wants An Underwater Drone That Can Stay at Sea Forever