"1942Z"^^ . . "1942Z"^^ . . "4 submarines" . . "0023Z"^^ . . "Wolfpack Ziethen 2"@en . "Ziethen was the name given to two wolfpacks of German U-boats that operated during the World War II Battle of the Atlantic in 1942, the first, larger and more successful was from 6 January 1942 to 22 January 1942, the second, smaller from 23 March to 29 March 1942.It was named after Hans Joachim von Ziethen (1699 - 1786), a German cavalry officer under Frederick the Great"@en . "12 submarines" . . . "Wolfpack Ziethen 1"@en .