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Citat:The first major F-22 enhancement—Increment 3.1—is now entering service, with an initial pair of upgraded stealth fighters recently delivered to Joint Base Elmendorf-Richardson, Alaska. Fleet retrofits will continue through 2016 and include the hardware and software modifications needed to drop eight Small-Diameter Bombs, take synthetic aperture radar (SAR) pictures and provide precision location and electronic attack capabilities.
Full operational test and evaluation is still being completed, but Maj. Richard Foster, Air Combat Command requirements officer, says the results are positive. SAR accuracy is 55% better than specified and geolocation accuracy is 15% better. Also, electronic attacks have proven 100% successful in testing.
The F-22 also will get a rudimentary AIM-120D firing capability next year (through the so-called Update 4), although full integration is not planned until Increment 3.2B in 2017. An initial capability to fire the Raytheon AIM-9X dogfight missile also has been accelerated to 2015 (under Update 5), with full integration also to come with Increment 3.2B.
Next on the upgrade path is Increment 3.2A, a software enhancement that includes expanded Link 16 data-link functionality, combat identification and electronic protection. It should emerge around 2014.
Besides the full integration of the latest air-to-air missiles, Increment 3.2B also expands geolocation by 88% beyond what is now being introduced.
In addition, around 2016 USAF expects to have moved to two F-22 configurations, the Block 20 aircraft to be used for training and development and Block 30/35s for the operational fleet. Foster says 36 aircraft will be in the Block 20 standard with 149 to settle on the Block 30/35 configuration.
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