Soviet minesweepers T 712-713, T-716, T-722 and T-730 sighted at Rostock, East Germany according to a CIA report dated 2 November 1950

An item reported that the Soviet minesweeper T-713 left Rostock, East Germany on 17 May 1950 after executing her trials between 11-13 May 1950. The T-712 departed on 21 May 1950 to execute her trials while between 12-15 May 1950 the T-716, T-722 and T-730 executed their boiler tests and steam trials.

Source
The report was published on www.archive.org, document number CIA-RDP83-00415R006500090005-5