This was the first joint flight of the two rivals in the race to the Moon.
Question 1:
This was the first joint flight of the two rivals in the race to the Moon. It was also the first international manned spaceflight. A Soviet and an American spacecraft were joined to test the compatibility of their rendezvous and docking systems.
A.Apollo-Soyuz
B.Apollo-Luna
C.Mercury-Salyut
D.Gemini-Voskhod
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