The Government of Egypt has requested to buy 23 CH-47F Chinook helicopters; 56 T-55-GA-714A engines (46 installed, ten spares); 52 Embedded Global Positioning System (GPS) Inertial Navigation Systems (INS) (EGI) (46 installed, six spares); 29 AN/AAR-57 Common Missile Warning Systems (CMWS) (23 installed, six spares); and 75 M-240 machine guns (69 installed, six spares). The total estimated program cost is $2.6 billion.