W24th Congress of the Communist Party of the Soviet UnionW1971 Soviet nuclear testsWAeroflot Flight 773WAeroflot Flight 1912WAeroflot Flight 1969WAeroflot Flight 2174WDay by Day (Soviet TV series)WFour Power Agreement on BerlinWGentlemen of FortuneWGolden Pectoral from Tovsta MohylaWIndo-Soviet Treaty of Friendship and CooperationWKosmos 398WKosmos 434WMalév Flight 110WMars 2WMars 3WN1 (rocket)WOperation Ivy BellsWOur ContemporaryWSalyut 1WSoyuz 10WSoyuz 11W1971 January 22 Surgut Aeroflot Antonov An-12 crashW1971 January 31 Surgut Aeroflot Antonov An-12 crash