The von Karman Institute for Fluid Dynamics has some of the most important and largest wind tunnel testing facilties in the world. Those facilities include low speed and high speed wind tunnels, plasma facilties as the well-know "plasmatron", water tunnel, turbomachinery facilities such as the biggest compression tube in the world "CT-3", ground vehicle facility, wind gallery, water spray, aeroacoustics and solid propulsion facilities, industrial test rigs.