An item reported that in mid March 1956 the Soviet M1
and M2 naval craft armed with 3 guns probably 15cm/5.9” and a Romania
3-funnelled destroyer were sighted at Galati, Romania. At Braila, Romania were
a seagoing minesweeper the DB 12, 3 seagoing minesweepers under construction
and two unarmed monitors sighted.
Source