The first Space-Based Infrared System (Sbirs) geosynchronous (GEO) satellite is completing final integrated system testing in preparation for an April 2011 launch, say U.S. Air Force officials. In the next few months, Lockheed Martin will install final components — including solar arrays, thermal blankets, batteries and the deployable light shade (which is needed to reduce sun glints for the infrared missile warning sensors) — onto the spacecraft. Sbirs eventually will replace the ...


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