The European Space Agency (ESA) is Europe’s gateway to space. Its mission is to shape the development of Europe’s space capability and ensure that investment in space continues to deliver benefits to the citizens of Europe and the world.
Find out more about space activities in our 23 Member States, and understand how ESA works together with their national agencies, institutions and organisations.
Exploring our Solar System and unlocking the secrets of the Universe
Go to topicProtecting life and infrastructure on Earth and in orbit
Go to topicUsing space to benefit citizens and meet future challenges on Earth
Go to topicMaking space accessible and developing the technologies for the future
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Astronaut Donald K. 'Deke' Slayton embraces cosmonaut Alexei Leonov in the Soyuz spacecraft, 17 July 1975. The Apollo-Soyuz test project was the first US-Russian joint space mission.
NASA astronauts Tom Stafford, Deke Slayton and Vance Brand in an Apollo Command and Service Module rendezvoused in space with Russian cosmonauts Alexei Leonov and Valeri Kubasov in a Soyuz capsule.