A suggestion that Chain Home was designed only for German aircraft approaching from Germany prompts a qualification. France's large air force and proximity meant it also appeared in British threat planning despite being an ally. Some radar coverage was oriented with that potential threat in mind. The exchange also challenges the impression that the network covered only the southern coast of Britain.
Notable Point · 3:12:05-3:13:00
Chain Home's planning also considered France
France's proximity and air force complicate the idea that Chain Home planned solely for attacks from Germany.