Player Embed Code: Download Embed Share Spacecom Leaders Testify on Spectrum Policy at Senate Defense.gov May 6, 2020 | 01:38:58 Dana S. Deasy, the Defense Department’s chief information officer; Michael D. Griffin, undersecretary of defense for research and engineering; retired Coast Guard Adm. Thad W. Allen, who served as 23rd commandant for the U.S. Coast Guard; and Space Force Gen. John W. Raymond, chief of space operations and commander of U.S. Space Command, speak before the Senate Armed Services Committee regarding the DOD Spectrum Policy and the impact of the Federal Communications Commission’s Ligado decision on national security, May 6, 2020.