. . . . . . . "U-3521" . . "1943-11-06" . . "8.0" . . "28.8912" . "5.3" . . . "1944-09-24" . . . "1944-12-03" . "1.621E9" . . . "11.3" . "Scuttled on 2 May 1945" . "German submarine U-3521" . . . . "1.819E9" . . . "German submarine U-3521" . . "1945-01-14" . "76.7" .