The Cobasna ammunition depot has been referred to as one of the largest[2] if not the largest ammunition depot in Eastern Europe[1] and contains up to 20,000 tons of Soviet-era weapons
Currently, about 20,000 tons of weapons and ammunition are stored at this warehouse, of which 57% are obsolete and cannot be used or transported, and access to the area is strictly prohibited, being controlled by Transnistrian and Russian peacekeeping forces. A possible explosion of these deposits, which cannot be transported, would cause an ecological and human disaster.
https://www.arnika.org/en/hotspots/moldova/the-largest-illegal-arms-depot-in-eastern-europe