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The Swedish designated the adopted Centurion Mk 3 tank as the Stridsvagn 81. In 1955, Sweden imported another batch of Centurion, 160 Mk 5 variants, and employed them in the same designation as well. In the 1960, Sweden bought another batch of Mk 10 tanks that were accepted as the Stridsvagn 101. During the years in service, the Strv 81 and 101 were upgraded with newer equipments, modules, and armaments, as well as changing the designation to signal the improvements. There were also tests such as the inclusion of SS.11 missile on the turret side to improve the firepower of the Centurions.
The Centurion Stridsvagn series served alongside the domestic Strv 103 design as the primary vehicle of the Swedish armoured forces. In 1990s, the Swedish military started to phase out the two tanks as they modernized their forces.

All Credit goes to the original creator of the tank and the person who made the Swedish flag used on the tank.

https://www.simpleplanes.com/a/s7yI6J/Strv-81 (Link to normal Strv 81)

This tank is just the Strv 81 but with ATGMs. They are good enough to deal with some targets and if you want XML missiles on this tank just comment down below.