Airbus has officially opened its first assembly plant on American soil, in a clear challenge to its US rival Boeing. br br The site at Mobile, Alabama is the result of a $600 million, (530 million euros), investment by Europe’s leading aircraft manufacturer.br br Airbus intends to assemble its A320 medium-sized airliners from parts built elsewhere in the Gulf Coast city, as it sets its sights on expanding its share of the North American market.br br “Today is a moment of pride, not only for my teammates behind me but for all Airbus people, everywhere.Today Airbus is becoming a truly global manufacturer and a truly American manufacturer,” said Airbus CEO Fabrice Brégier.br br .Airbus made the best decision when it chose Mobile & AL for its facility. It's an honor to celebrate its opening. pic.twitter.comrLb96dduhr— Gov.