>>1377423They decommissioned most of the old artillery forts and anti tank guns safe for some more modern installations like the 120mm mortars which as of today still could pulverize pretty much anything that comes closer than 10km to any point at the Swiss border. Munitions depots, combat shelters, command and control centers, air force installations, underground hospitals etc. are still in use, at least the more modern units, some have been mothballed because the downsizing of the Swiss army after the cold war and some have been sold.