File:SR-71 Defensive System B.jpg

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English: The "Defensive System B" (also called the "Def B" for short) was one of a series of electronic warfare suites for the SR-71. This system was designed to detect the radar signals from Surface to Air Missiles (SAM) and broadcast radar energy on the same frequency to confuse their guidance systems.
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Author J.smith
This photo was taken by Justin Smith (User:J.smith) and released under the license(s) stated on this page. You are free to use this image as long as you follow the terms of the license and credit me properly. Example: © Justin Smith / Wikimedia Commons, CC-By-SA-3.0

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4 December 2008

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current17:09, 7 December 2008Thumbnail for version as of 17:09, 7 December 20083,872 × 2,592 (2.9 MB)J.smith{{Information |Description={{en|1=The "Defensive System B" (also called the "Def B" for short) was one of a series of electronic warfare suites for the SR-71. This system was designed to detect the radar signals from the Surface to Air Missles (SAM) and
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