[About the crisis during his first space walk:] There were many problems. One was impossible to test on Earth, namely, how would the space suit react in the vacuum of space? . . . I had to take a decision to lower the pressure inside the space suit, but by how much? Too much would have led to a boiling of blood in the body, which would have finished me off. But I had to do it. I didn't report this down to Earth. I knew the situation better than anyone else. [about the Apollo-Soyuz mission:] Show less «