 Sava was raised and repaired by the navy of the Axis puppet state the Independent State of Croatia , and served under that name alongside her fellow monitor Morava , which was raised , repaired , and renamed Bosna . Along with six captured motorboats and ten auxiliary vessels , they made up the riverine police force of the Croatian state . Sava was part of the 1st Patrol Group of the River Flotilla Command , headquartered at Zemun . Her crew scuttled her near Slavonski Brod on the night of 8 September 1944 and defected to the Yugoslav Partisans . 
