Wehrmacht History 1935 to 1945


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Service Data

In Service: 1944 to 1972

Production Data

Builder: Abeking & Rasmussen, Lemwerder
Construction No: 3766
Laid down:
Launched: 1 July 1944
Commissioned: 1944

Technical Data

Type: 1937-43 Type R-boat/Räumboot
Class: R25 Class

Displacement: 150 tons standard 155 tons full load
Length: 41.05 m
Beam: 5.8 m
Draft: 1.67 m
Propulsion: 2 × MWM 6 × cylinder 4 stroke diesel engines producing up to 2,155 ehp
Propellers: 2 × Voith-Schneider
Speed: 19.8 knots
Range: 900 nautical miles at 15 knots
Crew: 41 men and officers
1 × 3.7 cm L/83 SK C/30 later
carried 1000 rounds
2 × 2 cm MG L/65 C/30
carried 2000 rounds
10 mines
Operators: Kriegsmarine

Other: R-boats


The R144 R-boat (Räumboot) was built in the 1940s by Abeking & Rasmussen shipyard located in Lemwerder, Germany as a minesweeper or escort vessel for the Kriegsmarine.

And which served in the 13. Räumbootsflottille during World War II.

And after the surrender of Germany was employed in the German Mine Sweeping Administration (GMSA), German Mine Sweeping Formation Cuxhaven (MRVC) and United States Labour Service Unit B (LSU-B) which were controlled by the allies.


The R-boat R144 is commissioned.

The R-boat R144 becomes operational with the 13. Räumbootsflottille.

The R-boat R144 serves with the German Mine Sweeping Administration (GMSA).

1 November 1947
The R-boat R144 is seized as a prize of war by the USA.

1 January 1948
The R-boat R144 serves with the German Mine Sweeping Formation Cuxhaven (MRVC).

1 July 1951
The R-boat R144 serves with the United States Labour Service Unit B (LSU-B) as the USN 144.

5 June 1956
The USN 144 is renamed to Sirius whilst serving with the German Federal Navy (Bundesmarine).

20 February 1959
The Sirius is taken out of active service and used as the accommodation vessel WBRI.

25 March 1968
The WBRI is stricken from naval records.

The WBRI is broken up and scrapped.



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German Warships, 1815-1945: Major Surface Vessels.
ISBN-10: 0851775330

German Warships, 1815-1945: U-boats and Mine Warfare Vessels.
ISBN-10: 155750301X

German warships of the Second World War.
ISBN-10: 0668040378

For a complete list of sources
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