Player Embed Code: <iframe width='500' height='300' scrolling='no' frameborder='0' style='border: none; overflow: hidden; width: 500px; height: 300px;' allowtransparency='true' src='https://www.dvidshub.net/video/embed/924470'></iframe> Download Embed Share Defense Officials Testify on Space Defense Defense.gov May 21, 2024 | 01:14:16 The Senate Armed Services Committee’s strategic forces subcommittee hears testimony on the Defense Department’s space activities. Testifying are: John D. Hill, deputy assistant secretary of defense for space and missile defense; Frank Calvelli, assistant secretary of the Air Force for space acquisition and integration; and Space Force Gen. Michael A. Guetlein, vice chief of space operations.