____________"Wilno"*
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One of two river monitors of Krakow class, built*
in Poland in 1926, belonging to Pina Flotilla *
(the other one was Krakow). The name was for Vilnius*
town.*
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They were relatively light monitors, meant to*
operate on shallow waters of Pripyat basin in*
eastern Poland, against Soviet forces, 
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The unit represents earliest armament variant,*
with two 75mm guns and one 100mm howitzer.*
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_____________[description by PIBWL]*