SM ''UB-125'' was a German Type UB III submarine or

U-boat U-boats were naval submarines operated by Germany, particularly in the First and Second World Wars. Although at times they were efficient fleet weapons against enemy naval warships, they were most effectively used in an economic warfare role ...

in the

German Imperial Navy The Imperial German Navy or the Imperial Navy () was the navy of the German Empire, which existed between 1871 and 1919. It grew out of the small Prussian Navy (from 1867 the North German Federal Navy), which was mainly for coast defence. Kaiser ...

(german: Kaiserliche Marine) during

World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...

. She was commissioned into the German Imperial Navy on 18 May 1918 as SM ''UB-125''.) and combined with the ''U'' for ''Unterseeboot'' would be translated as ''His Majesty's Submarine''., group=Note ''UB-125'' was surrendered 20 November 1918 in accordance with the requirements of the Armistice with Germany. Handed over to Japan, she served as ''O-6'' in the

Imperial Japanese Navy The Imperial Japanese Navy (IJN; Kyūjitai: Shinjitai: ' 'Navy of the Greater Japanese Empire', or ''Nippon Kaigun'', 'Japanese Navy') was the navy of the Empire of Japan from 1868 to 1945, when it was dissolved following Japan's surrender ...

until 1921 when she was broken up in Kure.

Construction

She was built by

AG Weser Aktien-Gesellschaft „Weser" (abbreviated A.G. „Weser”) was one of the major German shipbuilding companies, located at the Weser River in Bremen. Founded in 1872 it was finally closed in 1983. All together, A.G. „Weser" built about 1,400 ...

Bremen Bremen (Low German also: ''Breem'' or ''Bräm''), officially the City Municipality of Bremen (german: Stadtgemeinde Bremen, ), is the capital of the German state Free Hanseatic City of Bremen (''Freie Hansestadt Bremen''), a two-city-state consis ...

and following just under a year of construction, launched at Bremen on 16 April 1918. ''UB-125'' was commissioned later the same year under the command of ''Kptlt.'' Fritz Schubert. Like all Type UB III submarines, ''UB-125'' carried 10

torpedo A modern torpedo is an underwater ranged weapon launched above or below the water surface, self-propelled towards a target, and with an explosive warhead designed to detonate either on contact with or in proximity to the target. Historically, su ...

es and was armed with a deck gun. ''UB-125'' would carry a crew of up to 3 officer and 31 men and had a cruising range of . ''UB-125'' had a displacement of while surfaced and when submerged. Her engines enabled her to travel at when surfaced and when submerged.

Summary of raiding history

References

Notes

Citations

Bibliography

* * * {{DEFAULTSORT:Ub125 German Type UB III submarines World War I submarines of Germany U-boats commissioned in 1918 1918 ships Ships built in Bremen (state) Foreign submarines of the Imperial Japanese Navy