# Lesson 17 — Electromagnetic Attack

<p class="block-synopsis">Switch to the offense. Noise jamming raises the threat's floor until real returns vanish — and the self-protect J/S grows as $R^2$, so the jammer wins far out and loses close in, where the radar burns through.</p>

<div class="block-toc">
  <a class="bt-card bt-reading" href="L17_ElectromagneticAttack_Reading.html">
    <span class="bt-kind">Reading</span>
    <h4>Electromagnetic Attack</h4>
    <p>The spot/barrage/swept-spot taxonomy, the $J/S\sim R^2$ scaling, burn-through range, and self-protect vs stand-off geometry.</p>
  </a>
  <a class="bt-card bt-flashcards" href="L17_Flashcards.html">
    <span class="bt-kind">Flashcards</span>
    <h4>Review deck</h4>
    <p>Key terms and relations from the lesson, in a self-test deck.</p>
  </a>
  <a class="bt-card bt-demo" href="L17_JammerJSExplorer_Demo.html">
    <span class="bt-kind">Demo</span>
    <h4>Jammer / J/S Explorer</h4>
    <p>Vary power, RCS, and range to watch J/S follow $R^2$ and the burn-through range slide inward.</p>
  </a>
  <a class="bt-card" href="L17_Preflight.html">
    <span class="bt-kind">Pre-flight</span>
    <h4>Pre-flight quiz</h4>
    <p>Pre-class check, due before the lesson. Counts toward your IP grade.</p>
  </a>
</div>
