Le B2
http://www.northropgrumman.com/MediaResources/Pages/VideoGallery.aspx#
p3
http://www.northropgrumman.com/MediaResources/Pages/ytVideo.aspx?ytid=W1LGZVsCJ2M
https://www.youtube.com/watch?feature=player_embedded&v=W1LGZVsCJ2M
