Player Embed Code: Download Embed Share Defense Officials Testify on Military Space Operations Defense.gov March 27, 2019 | 01:18:27 Kenneth P. Rapuano, assistant secretary of defense for homeland defense and global security; Air Force Lt. Gen. David D. Thompson, vice commander of Air Force Space Command, and Air Force Lt. Gen. John F. Thompson, commander of the Space and Missile System Center, testify on military space operations, policy and programs at a hearing of the Senate Armed Services Committee’s strategic forces subcommittee, March 27, 2019.