Ospreys examination of the f 100 super sabre units participation in the vietnam war 1955 1975 while the f 105 thunderchief and f 4 phantom flew the majority of the fighter bomber missions over north vietnam the thunderchiefs service predecessor the f 100 super sabre stayed on to fight the air war in south vietnam until june 1971. The north american f 100 super sabre is an american supersonic jet fighter aircraft that served with the united states air force usaf from 1954 to 1971 and with the air national guard f 100 super sabre units of the vietnam war osprey combat aircraft no 89 . A history of the us air force f 100 super sabre which flew the most missions in the vietnam war a history of the us air force f 100 super sabre which flew the most missions in the vietnam war after a last minute change in the ordnance he was instructed to carry lavens unit was the 615th tactical fighter squadron flying from da . As the vietnam war escalated the roles and missions of the f 100 grew rapidly and permanently based units became the norm close air support cas became the primary hun mission as us ground forces swelled markedly. The f 100 super sabre may have been superseded by the superior technology of the f 105 thunderchief and the f 4 phantom by the vietnam war it remained in service the super sabre was deployed as an air defence fighter and was later given nuclear capability