SUNNYVALE, Calif. – The Lockheed Martin team developing the Air Force's Space-Based Infrared System mated the spacecraft bus with the infrared sensor payload for the second geosynchronous (GEO-2) SBIRS spacecraft. The SBIRS satellite and ground system will provide early warning of ballistic missile launches and support other operations. (Source: Lockheed Martin via PRNewswire, 06/10/09) Gulf Coast note: Lockheed Martin Mississippi Space & Technology Center at Stennis Space Center, Miss., makes the integrated propulsion system for the spacecraft.