https://spirecomm.com/wp-content/uploads/2018/03/usni-news.png45125Beth Boyterhttps://spirecommunications.com/wp-content/uploads/2017/12/SpireLogo-300x138.pngBeth Boyter2020-06-18 17:25:022020-06-23 17:26:28UPDATED: DARPA Asked Marines to Consider Adding Land-Based Hypersonic Weapons to Arsenal, But USMC Not Interested