Image: SR-71 Defensive System B

Original image(3,872 × 2,592 pixels, file size: 2.9 MB, MIME type: image/jpeg)

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
Credit: Own work
Author: J.smith
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC BY-SA 3.0
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