The Dassault-Breguet Mirage 2000, seen here in the markings of the first Armee de I'Air unit to operate the type, the Escadron de Chasse 1/2 Cicognes, is one of the new-generation combat aircraft now coming into service with the latest engines. The Snecma M53 turbofan in the Mirage 2000 is described as ''the simplest of all engines” in its category.

The Saab JAS 39 Gripen, which is now under development for the Swedish Air Force, is to be powered by the RM 12, a version of the General Electric F404 produced in Sweden by Volvo Flygmotor.

The Dassault-Breguet ACX which, in its production form, may be powered by the M88.

The Rolls-Royce Spey - developed initially for commercial use - has found military applications in the F-4 Phantom for the RAF, the Buccaneer, the Nimrod and now - in a recently developed version - in the Italo/Brazilian AMX strike aircraft illustrated here.

In an interim desert camouflage, the fourth B-1A resumed flight trials on 30 July 1984, fitted with the offensive and defensive avionics systems proposed for the B-1B.
The Rockwell B-1B, which has recently entered flight test, is powered by the General Electric F101, from which GE has derived the F110 to compete with Pratt & Whitney for the fighter engine market. (The illustration shows the No 4 B-1A.)