Northrop Grumman Corp., Air Combat Systems, El Segundo, Calif., is being awarded a $29,957,135 modification to a previously awarded firm-fixed-priced contract (N00019-02-C-3043) for 37 center barrels and 12 nacelles for the F/A-18A-D aircraft. Work will be performed in El Segundo (87 percent); Amityville, N.Y. (6.9 percent); and Bohemia, N.Y. (6.1 percent), and is to be completed in March 2006. Contract...