Lire http://en.wikipedia.org/wiki/A%C3%A9riane_Swift et http://aero.stanford.edu/Reports/SWIFTArticle1991.html
[youtube https://www.youtube.com/watch?v=aOIo8GoO52Q?rel=0&w=1280&h=720]
[youtube https://www.youtube.com/watch?v=PvyrWUm7CRk&w=1280&h=720]