▽Flight International ●11/23 12:22 Lockheed uses L-39 and two L-29s to test air-to-air combat with autonomous fightersLockheed uses L-39 and two L-29s to test air-to-air combat with autonomous fightersEmbraer waits to see what chief engineer Affonso invents next amid aircraft development uncertaintyAir Marshall Islands signs for two Cessna SkyCourier turbopropsEmbraer waits to see what chief engineer Affonso invents next amid a