[Reily]

Probably more myth then truth.

[vladimir998]

No, it’s true. The Soviets kept arms caches in the U.S. I know I read several articles about such a find just a few years ago - one that apparently dated back to the 1950s - but I can’t find info on that. I did find these, however:

U.S.: http://articles.latimes.com/2000/jan/25/local/me-57346

https://forums.geocaching.com/GC/index.php?/topic/88056-secret-cold-war-kgb-caches-still-hidden-in-the-us/

U.K.: https://www.telegraph.co.uk/history/10949730/Russians-hid-arms-caches-around-Britain.html

Europe: http://www.dailymail.co.uk/news/article-2682825/Booby-trapped-arms-caches-hidden-Britain-Soviet-agents-placed-weapons-Europe-Cold-War-KGBs-Mitrokhin-files-reveal.html