British 3-inch airborne rockets loading onto D-Day bound Typhoon, carrying a 60-lb warhead it packed sufficient power to sink barges and destroy tanks (when aimed at their thinner top or rear armor) . Initial 1943 rocket introduction was disliked by some British RAF pilots since underwing rocket rails undermined flight performance. In addition, some rockets fail to detonate, while others fell short of trajectory. Hence, pilots tend to fire the rockets at any target of opportunity just to unload the ordnance.

Nevertheless, RAF prepared 26 Typhoon squadrons on D-Day and was optimally used against German armor between French Normandy towns of Avranches and Falaise in August 1944, the so-called Falaise Pocket battles. Typhoon rocket assaults began at 6,000 to 10,000 feet, diving down at 40-degree angle, approaching target circa 400 mph, releasing all 8 rockets in one salvo 500 feet from target, then sharply pulling up to avoid exploding rocket fragments.