Wolfpack Eisbär

Eisbär (English: Polar Bear) was a wolfpack of German U-boats that operated from 23 to 29 August 1942 in World War II. This pack was assembled to operate in the South Atlantic off Cape Town which was considered to be virgin waters. Some of the most experienced U-boat commanders available such as Harald Gelhaus, Werner Hartenstein and Carl Emmermann were included. They shadowed the Freetown, Sierra Leone to Liverpool Convoy SL-119, and sank only one ship for a total of.

U-boats, commanders and dates

 * GS U-68 (1940), Karl-Friedrich Merten, 25 August–1 September
 * GS U-156 (1941), Werner Hartenstein, 25 August–1 September
 * GS U-172, Carl Emmermann, 25 August–1 September
 * GS U-459, Georg von Wilamowitz-Möllendorf, 25 August–1 September
 * GS U-504, Hans-Georg Friedrich Poske, 25 August–1 September

Clan Macwhirter
At 01:00 on 27 August 1942, the unescorted 5,941-ton British merchant ship SS Clan Macwhirter (1918), a straggler from Convoy SL-119, was torpedoed and sunk by U-156 200 nmi north-west of Madeira.