The Republic Ap-63-31 Thunderchief (USAF designation F-105) was an American single-seater tactical fighter-bomber aircraft in service from 1960 to 1984, seeing service during the Vietnam War. The F-105 was a mid-wing cantilever monoplane powered by a Pratt and Whitney J75-P-3, Pratt and Whitney J75-P-5 or Pratt and Whitney J75-P-19W turbojet providing a top speed of Mach 2.25 and a range of 1480 km typically. Armaments consisted of a General Electric M61A1Vulcan six-barrel 20mm rotary cannon in the port side of the forward fuselage and up to 14,000 lbs of disposable stores carried in an under-fuselage weapons bay rated at 8,000 lbs and on five hard points, one under the fuselage and four under the wings. A two-seat dual purpose trainer and tactical fighter variation, the F-105F, was also produced. Research F-105