An overview of the World Military videos on the navy, air force, army. From aircraft carriers to fighter planes, passing through tanks, infantry and special forces, .
X3 - The Worlds Fastest Helicopter!!! Made by Eurocopter!!! - The Eurocopter X³ (X-Cubed) is an experimental high-speed compound helicopter developed by .
WORLDS FASTEST HELICOPTER Airbus X3 Hybrid Helicopter 255 Knots 472 km h The Eurocopter X3 (X-Cubed) is an experimental high-speed compound .

The Eurocopter X3 is an experimental compound helicopter under development by Eurocopter. It is intended to fly at speeds of over 220 knots (250 mph; 410 .