This was a general countermobility NATO policy, the field manual goes into great detail about it: https://www.bits.de/NRANEU/others/amd-us-archive/fm5-102%2885

This was a general countermobility NATO policy, the field manual goes into great detail about it: https://www.bits.de/NRANEU/others/amd-us-archive/fm5-102%2885%29.pdf https://www.bits.de/NRANEU/others/amd-us-archive/fm5-102%288... Regarding Switzerland, there is this absurdly high production value propaganda Triptych-Cinerama-short produced for the 64 swiss national expo. Fortress of Peace (Wehrhafte Schweiz / La Suisse vigilante / La Svizzera vigilante) with countermobility action all over the place and prominently in this section: https://youtu.be/mXWUCmeUF9o?t=1230 https://youtu.be/mXWUCmeUF9o?t=1230 https://en.wikipedia.org/wiki/Fortress_of_Peace https://en.wikipedia.org/wiki/Fortress_of_Peace