Former German battleship SMS Ostfriesland sunk during American tests according to the Dutch newspaper Het nieuws van den dag voor Nederlandsch-Indië dated 28 July 1921

Helgoland-class

Marinemuseum Wilhelmshaven

An item reported that during tests executed in the USA dealing with the combat value of former German battleships was the Ostfriesland sunk within 34 minutes.

Note
Of the Helgoland-class consisting of the Helgoland, Ostfriesland, Thüringen and Oldenburg. Preceded by the Nassau-class and succeeded by the Kaiser-class. Laid down at the Kaiserliche Werft, Wilhelmshaven as the Ersatz Oldenburg with yard number 31 on 19 October 1908, launched on 30 September 1909, commissioned on 1 Augustus 1911, in service on 22 September 1911, stricken from the navy list on 5 November 1919, handed over to the USA according to the Treaty of Versailles and to compensate the German warships scuttled at Scapa Flow as the “H”, departed Germany on 7 April 1920 with a German crew towards to Rosyth, Scotland and from there on 9 April by an American crew to the USA and sunk on 21 July 1921 while used as target ship by bombers off Cape Hatteras. Building costs 43.579.000 gold marks.