The ''O 12''-class submarine consisted of four

submarine A submarine (often shortened to sub) is a watercraft capable of independent operation underwater. (It differs from a submersible, which has more limited underwater capability.) The term "submarine" is also sometimes used historically or infor ...

s built for the

Royal Netherlands Navy The Royal Netherlands Navy (, ) is the Navy, maritime service branch of the Netherlands Armed Forces. It traces its history to 8 January 1488, making it the List of navies, third-oldest navy in the world. During the 17th and early 18th centurie ...

. The ships, with a diving depth of , were used for patrols in the Dutch home waters. The class comprised ''O 12'', ''O 13'', ''O 14'' and ''O 15''. ''O 12'' entered German service in 1943 as ''UD-2''.

Construction

The ships were built by two shipyards. ''O 12'', ''O 13'' and ''O 14'' were built by

Koninklijke Maatschappij De Schelde Damen Naval is a Dutch shipyard, and a continuation of the Koninklijke Maatschappij De Schelde, responsible for a number of ships used by the Royal Netherlands Navy. It is owned by the Damen Group. Damen Naval is situated in Vlissingen. History ...

Construction

References

Bibliography

External links