euesa1-2, Exercise 3: The 1973 compromise

Model answer:

France would lead and pay a large share of a new launcher (Ariane). West Germany would lead a space laboratory to fly in the American Space Shuttle (Spacelab). The United Kingdom would lead a telecommunications satellite programme (a part later changed; check the details).

It worked because each major country got something it wanted. Unlike ELDO, where responsibility was shared out stage by stage, the launcher now had a single lead country, so there was someone responsible for the whole project.