I remember when I was a little kid, my mom taught me when we were inside the airplane that there were only 2 aircraft manufacturers: Boeing from the US and Airbus from Europe; and she preferred Airbus as she felt that Airbus's aircraft was more spacious than Boeing (oh, dearest mommy *hug*).   Speaking of which, some countries, mentioning 2 "Big Giants", Russia and China, want to break that duopoly market. Russia with its state-owned United Aircraft Corporation (UAC) confident to laun...