Lockheed Martin engineers work on the second Space Based Infrared System (SBIRS) geosynchronous orbit (GEO-2) spacecraft at Lockheed Martin's facilities in Sunnyvale, Calif.

洛克希德马丁公司的工程师们第二个天基红外系统（SBIRS- 2）地球同步轨道卫星（全球环境展望2）的工作。

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Lockheed Martin is the SBIRS prime contractor, with Northrop Grumman as the payload integrator.

ENGADGET: First piece of SBIRS missile defense system launched, not shot down

The SBIRS team is led by the Infrared Space Systems Directorate at the U.S. Air Force Space and Missile Systems Center.

ENGADGET: First piece of SBIRS missile defense system launched, not shot down

Lockheed Martin's original SBIRS contract includes HEO payloads, two geosynchronous orbit (GEO) satellites, as well as ground-based assets to receive and process the infrared data.

ENGADGET: First piece of SBIRS missile defense system launched, not shot down