This is a rare and brutal Mach Loop moment. An RAF Tornado GR4 comes in low and fast with its wings swept, tearing through the valley in freezing snowy conditions. The combination of speed, terrain, ...

Watch these great-sounding F-15C Eagle jets blast through the Mach Loop on low-level flybys. The sound is absolutely brutal as the Eagles rip past the hills and the noise echoes through the valleys.