If you try to coordinate design and manufacturing among 35 participating states, delays tend to happen. Perhaps also noteworthy from a historical perspective i

If you try to coordinate design and manufacturing among 35 participating states, delays tend to happen. Perhaps also noteworthy from a historical perspective is that the whole thing was proposed by the Soviet Union, which doesn't even exist anymore. The US also pulled out of the collaboration in '98, necessitating a redesign; they rejoined in 2003, but congress periodically tries to pull the plug...