With the historic first international space docking mission only six months away, preparations on the ground for the ...

With the historic first international space docking mission only six months away, preparations on the ground for the ...

When the ride opened on Jan. 15, 1975, an Apollo moonwalker was its first passenger, NASA's insignia was on display and Space ...

Speaking of warm moist air, the Apollo command module used pure oxygen at about 5 PSI. The Soyuz used a nitrogen and oxygen mix at a comfortable sea-level pressure of 15 PSI. The ASTP design was ...