Lt. Gen. Samuel A. Greaves is the Commander of the Space and Missile Systems Center, Air Force Space Command, Los Angeles Air Force Base, California. He is the Air Force Program Executive Officer for Space and manages the research, design, development, acquisition, and sustainment of satellites and the associated command and control systems. He has served in various assignments, including military satellite communication, missile warning, navigation and timing, space-based weather, space launch and test ranges, certification for launch, space superiority, responsive space and other emerging evolutionary space programs. Since being commissioned through the Reserve Officer Training Corps program in 1982, Greaves has held assignments in operational, acquisition and staff units, including assignments at Headquarters Air Combat Command; the National Reconnaissance Office; and on the Air Staff within the Directorate of Operational Requirements and the Air Force Colonel Matters Office. He commanded the 45th Launch Group at Patrick Air Force Base, Florida, the Launch and Range Systems Wing and Military Satellite Communications Systems Wing at Los Angeles Air Force Base, California. Greaves also served as Vice Commander, Space and Missile Systems Center, Los Angeles Air Force Base, California, and then as Director, Strategic Plans, Programs and Analyses, Headquarters Air Force Space Command, Peterson Air Force Base, Colorado. Prior to his current assignment, he was the Deputy Director, Missile Defense Agency, Redstone Arsenal, Alabama. He has operational launch crew experience in the space shuttle, Titan, Atlas and Delta space-launch systems and he wears the Command Space Badge. Greaves holds a Bachelor of Science in Electrical Engineering from Cornell University at New York; a Master of Science in Computer Science from West Coast University at California; and a Master of Science in Strategic Studies from Air War College at Maxwell Air Force Base, Alabama.