"Hm Submarine Turbulent Has Almost Filled Her Jolly Roger. 12 To 14 February 1943, Algiers, Turbulent, One of the Most Successful British Submarines in the Present War Has Almost Filled Up the Spaces Left on Her Success Flag With the Symbols of Her Triumphs. the White Bars Denote Ships Sunk, White Stars Successful Gun Actions, and the Scimitars Symbolise "special Operations"." Two submarines of T class lying alongside the Depot ship, TURBULENT outboard, and TAKU inboard.