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The United States and the U.S.S.R. launched an Apollo spacecraft and a Soyuz spacecraft, respectively, as a joint effort called the Apollo-Soyuz Test Project (ASTP). The Soyuz spacecraft was launched first, with a two-man crew who maneuvered their spacecraft into a docking orbit. The Apollo spacecraft was launched 7-1/2 h later, with a three-man crew who placed their spacecraft into a proper configuration for docking with the Soyuz spacecraft. The docking of the two spacecraft occurred on the third day. After docking, crew transfers took place, with the Apollo crew first visiting the Soyuz. The combined Apollo-Soyuz crews performed joint experiments and presented radio and TV reports. After joint experiments were completed, the spacecraft disengaged and each continued its separate mission.

Alternate Names

  • Soyuz Apollo
  • Apollo-Soyuz Test Proj.
  • 08032

Facts in Brief

Launch Date: 1975-07-15
Launch Vehicle: Saturn 1B
Launch Site: Cape Canaveral, United States
Mass: 14856.0 kg

Funding Agency

  • NASA-Office of Manned Space Flight (United States)


  • Astronomy
  • Engineering
  • Earth Science
  • Human Crew
  • Life Science
  • Microgravity
  • Space Physics

Additional Information

Questions or comments about this spacecraft can be directed to: Coordinated Request and User Support Office.



NameRoleOriginal AffiliationE-mail
Mr. Chester M. LeeProject ManagerNASA Headquarters 
Mr. R. Thomas GiuliProgram ScientistNASA Johnson Space Center 

Other ASTP Information at NSSDCA

ASTP Soyuz

Other Sources of Apollo Information at NSSDCA

Apollo page
Lunar Science Page

Related Information at NSSDCA

Moon page

Related Information Available Elsewhere

The Partnership: A History of the Apollo-Soyuz Test Project (Online Book)

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