PictionID:42002207 - Title:Republic P-47N Thunderbolt P-47N-5-RE, 44-88335. The Republic P-47 Thunderbolt, also known as the 'Jug,' was the biggest, heaviest, and most expensive fighter aircraft in history to be powered by a single piston engine. It was one of the main United States Army Air Forces (USAAF) fighters of World War II, and also served with other Allied air forces. - Catalog:15_002970 - Filename:15_002970.TIF - Repository: San Diego Air and Space Museum Archive