HMS Unbroken

Ratings on shore watch HMS Unbroken as she enters Portsmouth harbour after eighteen months duty in the Mediterranean
History
United Kingdom
NameHMS Unbroken
BuilderVickers Armstrong, Barrow-in-Furness
Laid down30 December 1940
Launched4 November 1941
Christened1 February 1943
Commissioned29 January 1942
Out of servicetransferred to Soviet Navy 26 June 1944
IdentificationP42
FateScrapped May 1950
Badge
Soviet Union
NameV-2 (В-2)
Acquired26 June 1944
FateReturned to Royal Navy in 1949
General characteristics
Class & typeU-class submarine
Displacement
  • Surfaced - 540 tons standard, 630 tons full load
  • Submerged - 730 tons
Length58.22 m (191 ft 0 in)
Beam4.90 m (16 ft 1 in)
Draught4.62 m (15 ft 2 in)
Propulsion
  • 2 shaft diesel-electric
  • 2 Paxman Ricardo diesel generators + electric motors
  • 615 / 825 hp
Speed
  • 11.25 knots (20.8 km/h) max surfaced
  • 10 knots (19 km/h) max submerged
Complement27-31
Armament

HMS Unbroken (P42) was a Royal Navy U-class submarine built by Vickers-Armstrong at Barrow-in-Furness; it was part of the third group of that class and has been the only vessel of the Royal Navy to bear the name. She entered service as P42 and was renamed Unbroken on 1 February 1943.