Das Arche Noah Prinzip AKA The Noah's Ark Principle is a 1984 West German film written and directed by Roland Emmerich.
IMDB says: Near the end of the 20th century, WMDs (weapons of mass destruction) are retired. However, certain factions plan to use a science space station as a weapon against each other. The astronauts inside will decide the world's fate
Cheers Tim, for the find.
Steve