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<p>in their assigned airspace using <a href="page.php?w=radar">radar</a> and communicate with <a href="page.php?w=pilot">pilot</a>s by <a href="page.php?w=radio">radio</a>. To prevent collisions, ATC enforces <a href="page.php?w=Separation_%28air_traffic_control%29">traffic separation</a> rules, which ensure each aircraft maintains a minimum amount of empty space around it. ATC services are provided to all types of aircraft, including <a href="page.php?w=General_aviation">private</a>, <a href="page.php?w=Military_aviation">military</a>, and commercial</p><p>
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