Saudi Arabia wants to upgrade the mission computing systems of its five E-3 Airborne Warning and Control System aircraft to the Block 40/45 configuration -- a decision that could help lower the total cost of the upgrade for the United States, France and Japan. On Aug. 5, the Defense Security Cooperation Agency notified Congress of a potential foreign military sale to Saudi Arabia for AWACS equipment, program support and training, worth an estimated $2 billion. The State Department has approved...