Designed to satisfy exacting Swedish needs, the innovative Saab 37 Viggen (thunderbolt) multi-role fighter was for several years the backbone of Sweden's air defence, and these days 5 of the Flygvapnet's front-line Flottiljer till fly the kind.
the first Viggen prototype created its maiden flight in 1967, and the initial production AJ 37 attack fighter (108 built) flew in 1971. the opposite major variants comprised 27 SF 37s for all-weather overland reconnaissance, 28 SH 37s for maritime reconnaissance and 17 Sk 37 operational conversion trainers.
