Hai Lung-class submarine

	ROCS Chien Lung (SS-793)
Class overview
Name	Chien Lung
Operators	Republic of China Navy
Completed	2
Active	2
General characteristics
Type	Conventional attack submarine
Displacement	2376 t (surfaced); 2660 t (submerged);
Length	66.9 m (219 ft)
Beam	8.4 m (28 ft)
Draught	6.7 m (22 ft)
Propulsion	3 × Bronswerk/Stork-Werkspoor RUB 215x12 diesels; 4050 hp
Speed	20 kn (37 km/h; 23 mph) (submerged); 12 kn (22 km/h; 14 mph) (surfaced);
Complement	67 (8 officers)
Sensors and ; processing systems	type 1001 radar; Sonar Elodone Octopus, type 20026 towed array, DUUX-5;
Armament	6 × 21" torpedo tubes; 28 torpedoes/missiles; AEG SUT (dual purpose - wire-guided, active/passive homing); UGM-84 Harpoon (planned);

The Chien Lung class of submarine, also known as the Hai Lung class, was manufactured in the Netherlands for the Republic of China (Taiwan) and is currently in service with its navy. They are a modified version of the Dutch Navy's Template:Sclass- which itself is based on the US Template:Sclass-.

Planned upgrade

In 2005, it was reported that the Chien Lung-class submarines would be upgraded to be capable of launching the UGM-84 Harpoon anti-ship missile.^[1]

In 2008, the Pentagon notified the United States Congress of the sale to Taiwan of 32 UGM-84 Harpoon Block II missiles, along with two weapon control systems, other associated equipment and services.^[2]