EDWARDS AIR FORCE BASE, Calif -- A test team began flights for Peace Rhine, a joint United States Air Force and German Air Force project to develop a new digital fire-control radar system computer for the F-4E and fighter weapon systems.
The McDonnell Douglas F-4F Phantom II is a twin-engine, two-seat multi-role combat aircraft first purchased by the West German Luftwaffe in 1973 under the "Peace Rhine" program. Prior to this, the Luftwaffe had purchased a reconnaissance version of the F-4, the RF-4E, in 1969. The F-4F was a lightened and simplified version of the F-4E, with no Sparrow compatibility and no seventh fuel cell.