The Kobben class (also known as Type 207) is a customized version of the German Type 205 submarine.
The lead ship, name ship, or class leader is the first of a series or class of ships all constructed according to the same general design.
The Royal Danish Navy (Søværnet) is the sea-based branch of the Danish Defence force.
The Royal Norwegian Navy (Norwegian: Sjøforsvaret, "the naval defence (forces)") is the branch of the Norwegian Armed Forces responsible for naval operations of the state of Norway.
Ship commissioning is the act or ceremony of placing a ship in active service, and may be regarded as a particular application of the general concepts and practices of project commissioning.
A submarine (or simply sub) is a watercraft capable of independent operation underwater.