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T-55M*
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Between 1989 and 1993 all Finnish T-55 tanks*
were modified to T-55M models. New fire-control*
system FCS-FV/K was fitted along with new smoke* 
dischargers, a new loaders hatch where a 12,7mm* 
NSV AAMG is installed. The barrel received a*
thermal sleeve. Also illumination grenade launcher* 
(Lyran) from Bofors and Additional armour was added.*
Even heavier turret armour was tested but rejected.*
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Total amount of T-54s/T-55s in use was some 70.*
After Leopard 2 entered service, the use of T-55Ms*
was limited to engineer tanks and some independent*
tank platoons that are used in the anti-tank training.*