Saab has completed development of a mid-life update for the JA37 Viggen fighter and begun flight testing of a prototype for the Swedish air force. The first flight of the test aircraft took place on June 4. The upgrade encompasses adding a 1553 digital data bus and new weapons interfaces to allow the aircraft to carry all the armaments planned for the Gripen, including the Advanced Medium-Range Air-to-Air Missile (AMRAAM). The program also includes: -- An upgraded Ericsson ...


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