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The ''Soyuz'' 7K-OK is the first generation of soviet Soyuz spacecraft, flying from November 11, 1966 to June 1, 1970. It had a crew of 2-3 astronauts and was produced in two versions, "Active" and "Passive", describing its role during docking and the configuration of the early docking port. It was a major evolution from the early ''Vostok'' spacecraft and plagued with early problems.
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The ''Soyuz'' 7K-OK is the first generation of soviet Soyuz spacecraft, flying from November 11, 1966 to June 1, 1970. It had a crew of 2-3 astronauts and was produced in two versions, "Active" and "Passive", describing its role during docking and the configuration of the early docking port. It was a major evolution from the early Vostok spacecraft and plagued with early problems.
 
 
==Description==
 
The Soyuz spacecraft consists of three modules, of which only the descent module CA returns to Earth. Every module is specialized for its tasks.
 
===Orbital Module БО===
 
Extends habitable space, contains galley and toilet, acts as airlock, contains the ingress hatch for entering the spacecraft on the launch pad. Contains the Игла/''Igla'' (Needle) docking guidance system. The orbital module is easily adapted for new docking adapters, docking guidance systems or scientific payloads.
 
 
 
===Descent Module СА===
 
Crew, crew seats, front hatch, [[Sirius-7K IDS|''Sirius''-7K IDS]], ''Visor'' (''Визр'') periscope,  hydrogen peroxide attitude control, heat shield, landing rockets.
 
 
 
===Propulsion Module ПО===
 
Contains all navigation sensors, solar arrays, pressurized electronics compartment, hydrogen peroxide for the ДО and ДПО thrusters, Dinitrogentetroxide and Unsymmetrical Dimethylhydrazine for main(СКД) and backup engine (ДКД).
 
 
 
==Subsystems==
 
===Attitude control===
 
ДО (DO) and ДПО (DPO) thruster systems, using hydrogen peroxide.
 
===45K sun tracker===
 
===TV cameras===
 
КР-75, КР-71/1, КР-71/2, КР-91. КР-74 TV signal multiplexer.
 
===СКД main engine===
 
===ДКД back-up engine===
 
  
 
==Missions==
 
==Missions==
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|Achieved hard-docking, first guided reentry by Cosmos 212, both spacecraft badly damaged by the parachute dragging them over ground after landing
 
|Achieved hard-docking, first guided reentry by Cosmos 212, both spacecraft badly damaged by the parachute dragging them over ground after landing
 
|}
 
|}
 
==References==
 
* "Soyuz - A Universal Spacecraft"; Hall, Shayler; Springer Praxis; ISBN 1-85233-657-9
 
* [http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19730025080_1973025080.pdf ASTP operational data book. Volume 2: ASTP mass properties data book]
 
* [http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19730023009_1973023009.pdf Docking Technology]
 
* [http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19770006201_1977006201.pdf Liquid Rocket Engines]; Bychkov, Nazarov, Prishchepa.
 
* [http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19750015574_1975015574.pdf The Soyuz - Ready to Fly]; Filipchenko.
 
* [http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19750004932_1975004932.pdf Mutual Aid In Space]; Fotkin.
 
* [http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19750015550_1975015550.pdf The Apollo And Soyuz Spacecraft]; Yudin.
 
* [http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19750015549_1975015549.pdf The Apollo-Soyuz Test Flight]; Leonov.
 
* [http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19750013233_1975013233.pdf Space - A Road Without End]; Nikolayev
 
* [http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19740025204_1974025204.pdf Such Will Be Our Ship]; Zhadanov, Yuzhov
 
* [http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19740024185_1974024185.pdf Soyuz - Workhorse Of Space]; Yelizavetin
 
* [http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19720008128_1972008128.pdf Soviet Soyuz Spacecraft]; Academy Of Sciences, USSR
 
* [http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19740008421_1974008421.pdf From Spacecraft To Spacecraft];
 
* [http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19730015111_1973015111.pdf Rendezvous In Orbit]; Anuchin
 
* [http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19710026712_1971026712.pdf Flight Of Soyuz 10]
 
* [http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19850069208_1985069208.pdf Soyuz And Apollo]; Buchuev (WARNING: 820 MB PDF)
 
* [http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19730022260_1973022260.pdf The Second Orbital Flight]; Nikolayev
 
* [http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19710070052_1971070052.pdf The Soyuz 6, Soyuz 7 and Soyuz 8 Mission], Mandrovsky
 
* [http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19900066076_1990066076.pdf A Brief Description Of Docking Device of "Soyuz"-Type Spacecraft (With Internal Passageway)]
 
* [http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19900066074_1990066074.pdf Description Of The Conceptual Arrangement For The Rendezvous And Docking of Soyuz Spacecraft]
 
* [http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19900066147_1990066147.pdf Reference Data On The Parameters Of The Atmosphere In The Living Compartments Of Soyuz Type Spacecraft]
 
* [http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19900066087_1990066087.pdf Radiotelephone Communications Between Spacecraft Of The Soyuz Type]
 
 
[[Category: Articles]]
 
[[Category: Historic spacecraft]]
 

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