Raytheon Flies AESA Retrofit Radar In F-16 Dec 2, 2010 By Graham Warwick An international customer could order the first active, electronically scanned array (AESA) radar upgrade for the Lockheed Martin F-16 in 2011, moving ahead of the still-undecided U.S. Air Force, Raytheon says. The company has completed flight trials of its Raytheon Advanced Combat Radar (RACR) in a U.S. Air Force F-16D Block 50 at Edwards AFB, Calif. The six flights were conducted in July, but have just been announced. Northrop Grumman flew its competing Scalable Agile Beam Radar (SABR) on an F-16 at Edwards in January, in support...