Image: SR-71 Defensive System B
Description: 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.
Title: SR-71 Defensive System B
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License: CC BY-SA 3.0
License Link: http://creativecommons.org/licenses/by-sa/3.0
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