The was built in response to the German ' (or "pocket battleship") . In May, the Committee noted an attack on the German pocket battleship . Warzecha served as the commander of the pocket battleship between October 1937 and October 1938. At the end of 1934 he became commander of the pocket battleship "Admiral Scheer". However, the German pocket battleship "Deutschland" soon appears. On 5 November 1940, the German pocket battleship found the convoy at and attacked immediately. On 30 June 1934 the "pocket battleship" "Admiral Graf Spee" was launched at Wilhelmshaven.