Player Embed Code: Download Embed Share Defense Officials Discuss Space, Security at HASC Hearing Defense.gov April 26, 2023 | 54:53 Defense leaders testify about the Defense Department’s national security space activities before the House Armed Services Committee strategic forces subcommittee. Appearing before the committee are: Navy Vice Adm. Frank Whitworth, director of the National Geospatial-Intelligence Agency; John Plumb, assistant secretary of defense for Space Policy; Frank Calvelli, assistant secretary of the Air Force for Space Acquisitions and Integration, and Christopher Scolese, director of the National Reconnaissance Office.