Hauptmenü:
ACE-High System - NATO Linienplan von 1958
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Bild - Quellenangaben
(1) Google Earth/Google Street
(2) NATO-Projekt, 1956
(3) Quellenschutz, ID 201_01
(4) NATO Handbuch, Volume I, Oktober 1959
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Text - Quellenangaben
[1] Wikipedia,