YouTube: J-20 high-speed taxi test Posted on January 5, 2011 by alert5 H/T to Steve. A video of the J-20 undergoing high-speed ground testing has been uploaded to YouTube. Related posts (Automatically Generated): Boeing Phantom Ray Completes Low-speed Taxi Tests YouTube: A-12 First Flight RAF test pilot on Lightning II F136 engine suffers setback F-35 flight tests suspended for software fix Raytheon to design advanced long-range air-to-air missile for DARPA