This is the Mach Loop at its most brutal: F-15s, RAF Tornados, and a CV-22 Osprey tearing through the Welsh hills at terrifyingly low altitude. The speed is violent, the sound hits like a wall, and ...

A fighter such as F-22 "Raptor", F-35 "Lightning II", "Euro Fighter Typhoon" and a huge military transport aircraft such as the C - 17 "Globe Master" are low flying flight training in a narrow valley ...