Russia’s fleet of Tu-214Rs is very small—and shows no sign of increasing. But the bird’s advanced electronics and optical systems offer unique advantages to the Russian military.

AURORA, Colorado—While General Atomics Aeronautical Systems Inc. is preparing for the first flight of its production-ready ...

The legendary Concorde and the Soviet Tu‑144 were both capable of cruising at roughly twice the speed of sound, making for dramatically fast flight times. Boom’s Overture is designed for a slower ...