Source Wikipedia: Andriyan Nikolayev
Additional Source Apollo-Soyuz (Wikipedia)Apollo-Soyuz Test Project, Wikipedia, lead section (joint mission)
Buran, the Soviet reusable spaceplane that flew one uncrewed orbital flight in 1988, was developed and operated by the Soviet space program.
Source Wikipedia (space and spaceflight articles)
Additional Source Wikipedia - Buran (spacecraft)Wikipedia: Buran (spacecraft), lead section
Source Wikipedia (space and spaceflight articles)
Source Wikipedia: Soviet space program
Source Georgy Dobrovolsky - Wikipedia
Source Wikipedia (space and spaceflight articles)
Additional Source Interkosmos (Wikipedia)Wikipedia: Interkosmos, lead section
Source Wikipedia: Irina Solovyova
Source Konstantin Feoktistov - Wikipedia
Source Leonid Kizim - Wikipedia
Source Luna 1 - Wikipedia
Source Luna 10 - Wikipedia
Source Luna 16 - Wikipedia
Source Wikipedia: Luna 17
Additional Source Soviet space program (Wikipedia)Lead section
Source Wikipedia: Luna 20
Source Wikipedia: Luna 21
Source Wikipedia: Luna 24
Source Luna 3 - Wikipedia
Luna 9, which achieved the first soft landing on the Moon in 1966, was a Soviet space program mission.
Source Wikipedia (space and spaceflight articles)
Additional Source Wikipedia - Luna 9Wikipedia: Luna 9, lead section
Additional Source Wikipedia: Luna programmeLuna programme, Wikipedia, lead section (Soviet Union attribution)
Source Mars 2 - Wikipedia
Mars 3, which achieved the first (brief) soft landing on Mars in 1971, was a Soviet space program mission.
Source Wikipedia (space and spaceflight articles)
Additional Source Wikipedia - Mars 3Wikipedia: Mars 3, lead section
Source Mars 5 (Wikipedia)
Covers Mir's 1986-1991 Soviet-era operation only; Roscosmos (kept, separate edge) covers 1991-2001.
Additional Source Mir (Wikipedia)Mir, Wikipedia, lead section (Soviet Union operator, pre-1991)
Additional Source Mir (Wikipedia)Mir, lead/history section (initial operator, merged from EntityId 273173)
Source Wikipedia: Soviet space program
Source Pavel Belyayev - Wikipedia
Source Pavel Popovich - Wikipedia
Source Wikipedia: Soviet space program
Source Pyotr Klimuk - Wikipedia
Source Wikipedia: Soviet space program
Salyut 1, the world's first space station (1971), was launched and operated by the Soviet space program.
Source Wikipedia (space and spaceflight articles)
Additional Source Wikipedia - Salyut 1Wikipedia: Salyut 1, lead section
Additional Source Wikipedia: Salyut programmeSalyut programme, Wikipedia, lead section (Soviet Union attribution)
Covers Soyuz's original 1967-1991 Soviet-era development and operation; Roscosmos (kept, separate edge) covers 1991-present.
Additional Source Wikipedia: Soyuz (spacecraft)Soyuz (spacecraft), Wikipedia, lead section (Korolev Design Bureau)
Additional Source Wikipedia: Sputnik 1Sputnik 1, Wikipedia, lead section (operator citation)
Additional Source Wikipedia (space and spaceflight articles)Sputnik program, Wikipedia, lead section (operator)
Source Wikipedia: Svetlana Savitskaya
Source Wikipedia: Tatyana Kuznetsova
Source Valentin Lebedev - Wikipedia
Source Valentina Tereshkova (Wikipedia)
Source Valery Bykovsky - Wikipedia
Source Wikipedia (space and spaceflight articles)
Venera 13, which returned the first color images from the surface of Venus in 1982, was a Soviet space program mission.
Source Wikipedia (space and spaceflight articles)
Additional Source Wikipedia - Venera 13Wikipedia: Venera 13, lead section
Venera 7's own infobox names Lavochkin, the Soviet design bureau that built the probe, as Operator; Lavochkin is not itself a modeled agency entity in this atlas (EntityRequest 622), so this edge targets the overarching Soviet space program, which the lead paragraph confirms as the mission's state origin.
Additional Source Venera 7 (Wikipedia)Venera 7, lead section
Additional Source Wikipedia: Venera programVenera program, Wikipedia, lead section (program span)
Source Viktor Patsayev - Wikipedia
Source Vitaly Sevastyanov - Wikipedia
Source Vladimir Kovalyonok - Wikipedia
Source Vladimir Shatalov - Wikipedia
Source Vladislav Volkov - Wikipedia
Source Wikipedia (space and spaceflight articles)
Additional Source Soviet space program (Wikipedia)Lead section
Additional Source Vostok 1 (Wikipedia)Vostok 1, Wikipedia, lead section (Baikonur, Gagarin)
Additional Source Soviet space program (Wikipedia)Lead section
Source Wikipedia (space and spaceflight articles)
Source Yuri Romanenko - Wikipedia