 The McDonnell Douglas F-15E Strike Eagle is a two-seat, dual-role, totally integrated fighter for all-weather, air-to-air, and deep interdiction missions.The rear cockpit is upgraded to include four multipurpose cathode ray tube displays for aircraft systems and weapons management.The digital, triple-redundant Lear Siegler aircraft flight control system permits coupled automatic terrain following, enhanced by a ring-laser gyro inertial navigation system.