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Escort Group B2

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Escort Group B2
AllegianceBritish Empire
BranchRoyal Navy
TypeEscort Group
RoleAnti-submarine warfare
Size~9 ships
Part ofWestern Approaches Command
Garrison/HQLisahally
March"The Zumba Zumba Za".[1]
EngagementsConvoy HX 219
Convoy SC 118
Convoy ONS 4
Convoy SC 129
Commanders
Notable
commanders		Donald MacIntyre

Escort Group B2 was a convoy escort British formation of the Royal Navy which saw action during the Second World War, principally in the Battle of the Atlantic. The group was under the command of Cdr Donald Macintyre, one of Britain's most successful anti-submarine warfare commanders.

Formation

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Escort Group B2 was one of seven British escort groups which served with the Mid-Ocean Escort Force (MOEF), which provided convoy protection in the most dangerous midsection of the North Atlantic route.

The group was formed in the spring of 1942 and originally consisted of the Havant-class destroyer Hesperus as group leader with the Town-class destroyer Leamington, V-class destroyer Veteran, and the Flower-class corvettes Gentian, Clematis, Sweetbriar and Vervain.[2]

Later in the year the low-endurance destroyers Leamington and Veteran were replaced by longer-ranged V and W-class destroyers Vanessa and Whitehall and the Flower-class corvettes Heather, Campanula, and Mignonette joined the group.[3]

Service history

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The group commenced convoy escort duties in April 1942, in the critical mid-ocean section of the North Atlantic route, operating between Londonderry and St John's Newfoundland.

The first convoys, in the spring of 1942, were uneventful and as the pace of the Battle of the Atlantic hotted up in the summer and autumn the group's convoys were escorted without loss.

In October 1942, ON 138 came under attack but a vigorous defence by B2 ensured no ships were lost.[4] In December 1942 it was accompanying HX 219 when the convoy came under attack. Hesperus responded and counter-attacked and destroyed U-357 by ramming it. As a result, Hesperus was out of action for 2 months.

In February 1943 a depleted B2 under temporary command of Cdr Proudfoot escorted Convoy SC 118. This convoy came under attack by wolfpack Pfeil and lost eight ships for three U-boats destroyed in one of the hardest fought battles of the campaign.

In April during an attack on ONS 4, ships of the group sank U-191.

In May in an attack on SC 129 B2 sank U-186 and damaged U-402 and U-223 for the loss of two ships.

A series of uneventful convoys followed, as the U-boat arm withdrew from the North Atlantic after Black May, a state of affairs which continued until the end of the year.

During this period the group had escorted over 30 convoys, totalling over 900 ships of which only 10 were lost. [5] No warships were lost from the group, which accounted for three U-boats destroyed and two others damaged, and shared in the destruction of three others, in its 2-year career.

U-boats destroyed

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  • U-357, sunk by Hesperus and Vanessa on 26 December 1942 [6]
  • U-191, sunk by Hesperus on 23 April 1943 [7]
  • U-186 sunk by Hesperus on 12 May 1943 [8]

Convoys escorted

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Outbound Homebound
ON 83 SC 81
ON 97 SC 86
On 107 HX 198
ON 118 HX 203
ON 128 HX 208
ON 138 HX 213
ON 148 HX 219
ON 159 SC 118
ON 170 SC 123
ONS 4 SC 129
ONS 9 SC 134
ONS 13 SC138
ON 198 SC141
KMS 28 MKS 27
ONS 22 HX 267
ONS 25 HX 273
SL 157 .

Senior Officer Escort

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From To Captain
April 1942 April 1944 Cdr Donald MacIntyre

Notes

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  1. ^ MacIntyre, 1956, p.
  2. ^ Rohwer & Hummelchen, 2005, p. 124
  3. ^ Rohwer & Hummelchen, 2005, p. 227
  4. ^ Blair, 1994, p. 42
  5. ^ Hague App III
  6. ^ Kemp, 1997, p. 98
  7. ^ Kemp, 1997, p. 111
  8. ^ Kemp, 1997, pp. 115–116

References

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  • Blair, Clay (1998). Hitler's U-Boat War: The Hunted 1942–1945. ISBN 0-304-35261-6.
  • Kemp, Paul (1997). U-Boats Destroyed, German submarine losses in the World Wars. Arms and Armour. ISBN 1-85409-515-3.
  • Macintyre, Donald (1956). U-Boat Killer. London: Weidenfeld and Nicolson. OCLC 1547547.
  • Niestle, Axel (1998). German U-Boat Losses During World War II. Greenhill. ISBN 1-85367-352-8.
  • Roskill, Stephen (1960). The War at Sea 1939–1945: The Offensive, Part 1, 1st June 1943 – 31st May 1944. Vol. III. London: HMSO. OCLC 916211985.
  • Rohwer, Jürgen; Hümmelchen, Gerhard (2005) [1972]. Chronology of the War at Sea, 1939–1945: The Naval History of World War Two (3rd rev. ed.). London: Chatham. ISBN 978-1-86176-257-3.
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