https://spirecomm.com/wp-content/uploads/2018/01/usatoday.jpg45125Beth Boyterhttps://spirecommunications.com/wp-content/uploads/2017/12/SpireLogo-300x138.pngBeth Boyter2018-06-07 15:49:222018-06-08 15:50:50Military’s Secret Spaceplane Closer to Launch as First Engine Revealed