Wolfpack Endrass

Endrass was a "wolfpack" of German U-boats that operated from 12 to 17 June 1942 in attacking Convoy HG 84 that comprised 23 Allied ships. The group's name commemorated the U-boat commander Engelbert Endrass, who was killed in action in December 1941.

U-boats, commanders and dates

 * GS U-71 (1940), Walter Flachsenberg, 12–16 June
 * GS U-84 (1941), Horst Uphoff, 12–17 June
 * GS U-89 (1941), Dietrich Lohmann, 12–17 June
 * GS U-132 (1941), Ernst Vogelsang, 12–17 June
 * GS U-134 (1941), Rudolf Schendel, 12–17 June
 * GS U-437, Werner-Karl Schulz, 12–17 June
 * GS U-552, Erich Topp, 12–17 June
 * GS U-571, Helmut Möhlmann, 12–17 June
 * GS U-575, Günther Heydemann, 12–17 June

Ships hit by this Wolfpack
Five ships of Convoy HG 84, assembled at Gibraltar for passage to Liverpool, were sunk, all by the U-boat U-552 in the early hours of 15 June.

Etrib, Pelayo & Slemdal
The first attack came at 00:59, about 700 km west of Corunna, Spain, when U-552 fired torpedoes at the convoy and hit and sank the 1,943-ton British merchant ship Etrib, the 1,346-ton British merchant ship Pelayo, and the 7,374-ton Norwegian tanker Slemdal.

City of Oxford and Thurso
U-552 struck again at 04:34, firing three torpedoes at the convoy. Two British merchant ships, the 2,759-ton SS City of Oxford and the 2,436-ton SS Thurso were hit and sunk.