Happy 70th birthday, U.S. Air Force! Boeing Is Proud to Partner in Breaking Barriers gysTrib[yt]ukCGIkwMDhw[/yt] https://www.youtube.com/watch?v=ukCGIkwMDhw Yesterday's Air Force : 70 Years of Breaking Barriers [yt]JokLUt0JBsc[/yt] full screen in link below https://www.youtube.com/watch?v=JokLUt0JBsc