Damen Schelde Naval Shipbuilding 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.
The diesel engine (also known as a compression-ignition or CI engine), named after Rudolf Diesel, is an internal combustion engine in which ignition of the fuel which is injected into the combustion chamber is caused by the elevated temperature of the air in the cylinder due to mechanical compression (adiabatic compression).
An electric motor is an electrical machine that converts electrical energy into mechanical energy.
The Royal Netherlands Navy (Koninklijke Marine, “Royal Navy”) is the navy of the Netherlands.
A ship class is a group of ships of a similar design.
A submarine (or simply sub) is a watercraft capable of independent operation underwater.
A torpedo tube is a cylinder shaped device for launching torpedoes.