"1917-04-07Z"^^ . "31.1136"^^ . "1915-11-20Z"^^ . "7.57e+08"^^ . "1916-06-22Z"^^ . "U-88"@en . "9.98e+08"^^ . "1915-06-23Z"^^ . . "5 September 1917 - Presumably mined off Terschelling. 43 dead (all hands lost)" . . "SM U-88 was a Type U 87 submarine built for the Imperial German Navy (Kaiserliche Marine) in World War I. U-88 was engaged in the naval warfare and took part in the First Battle of the Atlantic.U-88 is most notable for sinking and taking with her Kapit\u00E4nleutnant Walther Schwieger, responsible for sinking the RMS Lusitania when he was commander of 'U-20."@en . "4.18"^^ . . "6.2"^^ . "65.8"^^ . "9.35"^^ .