The Air Force is considering competing a slate of upgrades to the E-3 Airborne Warning and Control System, according to a recent notice. A Sept. 29 request for information shows the Air Force is considering whether to speed the Automatic Dependent Surveillance Broadcast Out/Mode 5 program. The service also wants input on the Block 40/45 upgrade program, communications network improvements, the avionics replacement program known as DRAGON, electronic protections, GPS M-Code upgrades and open mission systems. The Air Force will...