P-47 Thunderbolt Units of the Twelfth Air Force The P-47 Thunderbolt became the principal US fighter-bomber of World War II. It earned the nickname "Juggernaut", which was quickly shortened to "Jug" throughout the MTO and ETO. This title includes first-hand accounts and period photography that reveal the success enjoyed by the Thunderbolt in the MTO in the final year of the war. Full description