Sikorsky X2 World’s Fastest Helicopter The fastest and coolest double blade chopper that the world has, the Sikorsky X2. Facebook Prev Article Next Article Military Checkout these cool gadgets... Related Posts Concept Weapons for Surprise Attacks Weird Weapons – The Allies – Documentary 10 Superweapons Currently Being Built The crazy simulator where pilots learn how to fly the F-35 World’s First Remote Controlled Tank-bulldozer Autonomous Aerial Cargo/Utility System a.k.a Helicopter-Drones
