W1986 Black Sea incidentW1986 Vrancea earthquakeWSS Admiral NakhimovWAeroflot Flight 892WAeroflot Flight 2306WAeroflot Flight 6502WChernobyl disasterW27th Congress of the Communist Party of the Soviet UnionWHeight 611 UFO incidentWMS Mikhail LermontovWMir Core ModuleWNoch (Kino album)WProgress 25WProgress 26WSoyuz T-15WThrough Main Street with an Orchestra