B-2 20th Anniversary Celebration Lands in Dayton Trading Markets (press release), CA DAYTON, Ohio, Apr 30, 2009 (GlobeNewswire via COMTEX) -- NOC | Quote | Chart | News | PowerRating -- The nearly 30-year B-2 stealth bomber partnership between the Air Force and Northrop Grumman Corporation (NYSE:NOC) will be center stage on Friday ... |

