May 31, 2023 U.S. Air Force kicks off Radar Modernization for B-52 Stratofortress fleet A B-52 from the 307th Bomb Wing arrived at a Boeing Co., facility in San Antonio, on May 25, to begin receiving the Active Electronically Scanned Array system, also known as AESA, as part of the Air Force’s B-52 Radar Modernization Program.