Here's a few links to articles that are connected to this. The Soviets didn't have the monopoly on the idea as we've had some discussion about the NATO Operation Gladio on the forum some time back and Gladio got up to all sorts of interesting activities apparently.
I must add though, that some of the websites providing this info are sometimes pushing their own agenda (such as the pdf link below, the website physic911.net is pushing the idea that the September 11th attacks were faked)
A pdf about NATO stay-behind-armies in various European countries
http://www.physics911.net/pdf/Daniel...n_Europe-1.pdf
US arms caches in Austria
http://www.independent.co.uk/news/wo...t-1325356.html
A few pages from MilitaryPhotos.Net it seems largely anecdotal however (although there really are a large number of WW2 and post-WW2 underground facilities in Europe from small bunkers on up to huge command centres)
http://www.militaryphotos.net/forums...weapons-caches
"In 1998, in woods near the city of Berne, Swiss security forces exploded a bomb, using a water cannon. It happened to be the security device for a buried Soviet arms cache, intended for the use of Special Tasks units. The location of this cache had been taken from the KGB archives."
Quote taken from
http://members.iglou.com/jtmajor/Mitrokhn.htm
Arms cache on former Soviet/Russian base in Akhalkalaki, Georgia
http://en.rian.ru/world/20070707/68541640.html
The base was home to the Soviet 147th Motor Rifle Division up until the early 1990s. After the fall of the Soviet Union the Division became the Russian 62nd Military Base which was officially transferred to Georgia on June 27, 2007.
Info snipped from wiki page on Akhalkalaki
http://en.wikipedia.org/wiki/Akhalkalaki#Bases
Claims of Soviet weapons hidden in the USA
http://www.nti.org/db/nistraff/2000/20000020.htm
http://www.fas.org/irp/congress/1999...oor_102899.htm
An article on how the KGB was probably the lesser partner in stashing weapons for a future conflict between NATO and Warsaw Pact.
http://www.theforbiddenknowledge.com...red_terror.htm
Article relating to illegal immigration in Europe but the following passage is specifically relevant: -
"Tiraspol is a threat to EU border security. It has facilities for producing illegal documents and is home to a massive Soviet-era arms cache, but the 350,000 people who live there go in and out of Moldova proper with no checks by Moldovan border guards. Evidence indicates that its main smuggling activity is counterfeit cigarettes, however."
Full article here
http://euobserver.com/22/31700
More info from an article about arms trafficker Victor Bout
"Before the Soviet Union's collapse, Tiraspol was home to the Soviet 14th Army, which left behind 40,000 tons of weaponry, the largest arsenal in Europe.
At last count, stored in a complex of bunkers and berms and guarded by a skeleton crew of Russians are enough explosives to make two and a half Hiroshima bombs, tens of thousands of Kalashnikov assault rifles, millions of rounds of ammunition and huge numbers of antitank missiles, grenades and Scudlike rockets. Trans-Dniestrian factories may still produce weapons."
Full article available through the Internet Archive here
http://web.archive.org/web/200502151...raine/bout.htm
When you consider that factories in eastern Germany were making 7.92x33mm ammunition* up until at least 1947 and that the Soviets rarely discarded any working weapon system, it's not surprising that they'd maintain caches/stockpiles around their areas of interest.
* for the StG44 rifles issued to the East German Workers Militia before they were replaced by Soviet weapons and also for ammunition for such weapons given as aid to African nations.
Sorry for all the links, I got carried away with my interest in the topic
