Soyuz-V
proposed Soviet spacecraft

Soyuz-V (Russian: Союз-В meaning Union-V) or Soyuz 11K (Russian: Союз 11К), sometimes known in the west as Soyuz-C, was a proposed Soviet spacecraft, which was designed for use as a fuel tanker. It would have been used to refuel other spacecraft, particularly the Soyuz 9K orbital tug. It was part of the Soyuz A-B-V complex for human circumlunar spaceflight.
The Soyuz 11K was intended to have been launched into low Earth orbit by the Soyuz 11A511 carrier rocket. Following launch, it would have docked with the NO docking module of a waiting Soyuz 9K, and transferred over 7,000 kilograms (15,000 lb) of fuel into the tug. Up to three Soyuz 11K tankers would have been launched per Soyuz 9K, each one carrying either propellant or oxidiser. The Soyuz 9K would then have been used to boost a crewed Soyuz 7K or Soyuz 7K-P spacecraft into a higher orbit; the Soyuz 7K onto a circumlunar trajectory for human Lunar exploration, and the Soyuz 7K-P into a higher orbit to intercept and destroy another spacecraft. The Soyuz 11K, along with the NO module of the Soyuz 9K, would have been jettisoned before the Soyuz 9K performed its burn.
Following the cancellation in 1964 of both the Soyuz 7K and Soyuz 7K-P programmes; the former in favour of the LK-1 spacecraft, and the latter in favour of uncrewed antisatellite programmes, the Soyuz 9K and Soyuz 11K were no longer required, and they too were cancelled.
Begin with the source’s own compact description: “Soyuz-V” is proposed Soviet spacecraft. The dossier treats that line as a proposition to test through Soyuz-V, proposed and Soviet, not as a finished interpretation.
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Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated May 22, 2026. The linked authority identifier is Q2028724. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1964.
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This entry incorporates text from “Soyuz-V” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.