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HMS Trooper (N91)

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Submarine of the Royal Navy

HMS Trooper
History
United Kingdom
NameHMS Trooper
BuilderScotts, Greenock
Laid down7 May 1940
Launched5 March 1942
Commissioned29 August 1942
IdentificationPennant number N91
FateSunk 17 October 1943
Badge
General characteristics
Class and typeBritish T class submarine
Displacement
  • 1,090 tons surfaced
  • 1,575 tons submerged
Length275 ft (84 m)
Beam26 ft 6 in (8.08 m)
Draught16.3 ft (5.0 m)
Propulsion
  • Two shafts
  • Twin diesel engines 2,500 hp (1.86 MW) each
  • Twin electric motors 1,450 hp (1.08 MW) each
Speed
  • 15.25 knots (28.7 km/h) surfaced
  • Nine knots (20 km/h) submerged
Range4,500 nautical miles at 11 knots (8,330 km at 20 km/h) surfaced
Test depth300 ft (91 m) max
Complement61
Armament
NotesThe wreck was discovered in October 2024 in the Icarian Sea in Greece, at a depth of 253 meters.

HMS Trooper (N91) was a T-class submarine of the Royal Navy. She was laid down by Scotts, Greenock, and launched in March 1942. On 3 October 2024 it was reported that HMS Trooper was discovered at a depth of 253 metres (830 ft) in the Icarian Sea in Greece.

Career

Trooper spent most of her short career serving in the Mediterranean. She sank the Italian tanker Rosario, the Italian merchant ship Forli, a sailing vessel and the Italian submarine Pietro Micca. She also damaged two other enemy vessels, and unsuccessfully attacked the Italian merchant Belluno (the former French Fort de France).

On her first operation, she took part in Operation Principal, which used human torpedoes to sink Italian ships in Palermo harbour.

Trooper sailed from Beirut on 26 September 1943, on her 8th War Patrol to cover in the Aegean Sea off the Dodecanese islands. On 14 October she challenged Levant Schooner Flotilla F8 off Alinda Bay, Leros. She failed to return on 17 October and was reported overdue on that day. She was presumed lost on German mines around Leros, but her wreck was later discovered in the Icarian Sea.

The Germans claimed that Trooper was sunk by Q-ship GA.45 on 15 October 1943. The submarine that GA-45 attacked was actually HMS Torbay which escaped undamaged.

Discovery

HMS Trooper was discovered at a depth of 253 metres (830 ft) in the Icarian Sea, north of the island of Donousa, in Greece. The submarine, found in three distinct sections (bow, mid-section, and stern), had likely been sunk by a German EMF mine containing 350 kilograms (770 lb) of Hexanite. This discovery, led by Greek researcher Kostas Thoctaridis, resolved an 81-year-old mystery, bringing closure to the families of the 64 crew members lost during the submarine's final mission.

References

  1. ^ "British submarine of World War II found in great depth in the Icarian Sea (photos)". Proto Thema (english version). 6 October 2024. Retrieved 7 October 2024.
  2. ^ "Βρέθηκε βρετανικό υποβρύχιο του Β' Παγκοσμίου Πολέμου σε μεγάλο βάθος στο Ικάριο Πέλαγος". ProtoThema.gr. 6 October 2024. Retrieved 6 October 2024.
  3. HMS Trooper, Uboat.net
  4. "HMS Torbay". uboat.net. Retrieved 27 September 2022.

Bibliography

T-class submarines
 Royal Navy
1st Group
2nd Group
3rd Group
Cancelled
 Israeli Navy
 Royal Netherlands Navy
Zwaardvisch class
Shipwrecks and maritime incidents in October 1943
Shipwrecks
Other incidents
1942 1943 1944
September 1943 November 1943

39°48′N 18°43′E / 39.800°N 18.717°E / 39.800; 18.717


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