3638402 Particularly serious provocations were started between 24 and 28 October 1961 when heavily armed US soldiers, supported by tanks, repeatedly violated the state frontier of the German Democratic Republic (b/w photo) by German Photographer (20th Century); Private Collection; (add.info.: Particularly serious provocations were started between 24 and 28 October 1961 when heavily armed US soldiers, supported by tanks, repeatedly violated the state frontier of the German Democratic Republic. Owing only to the calm and sober conduct of the GDR soldiers and officers and their Soviet brothers-in-arms it was possible to avoid an armed conflict in this situation. East German propaganda photo.); Look and Learn / Elgar Collection; German, out of copyright.