Boeing subcontractor, Air France Industries (AFI), is upgrading the electrical, mechanical and structural systems and mission hardware of the French E-3F Airborne Warning and Control System (AWACS) aircraft. The MLU upgrade, based on the U.S. AWACS Block 40/45 system, dramatically increases mission execution capability, reliability and effectiveness; and reduces life-cycle costs. Upgrades to the fleet of four aircraft of the fleet is to be completed by 2016.