Hatakaze-class destroyer

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Hatakaze (DDG-171) docked in Pearl Harbor, 1988
Class overview
Name	Hatakaze class
Builders	Mitsubishi Heavy Industries
Operators	Japan Maritime Self-Defense Force
Preceded by	Tachikaze class
Succeeded by	Kongō class
Cost	(Hatakaze) 61,980,000,000 JPY (Shimakaze) 69,283,000,000 JPY
Built	1983–1988
In commission	1986–present
Completed	2
Active	2
General characteristics
Type	Guided-missile destroyer
Displacement	(Hatakaze) 4,600 long tons (4,674 t) standard 6,000 long tons (6,096 t) full load (Shimakaze) 4,650 long tons (4,725 t) standard 6,050 long tons (6,147 t) full load
Length	150 m (492 ft 2 in)
Beam	16.4 m (53 ft 10 in)
Draft	4.8 m (15 ft 9 in)
Propulsion	2 × Kawasaki Rolls-Royce Spey SM1A gas turbines for cruising 2 × Rolls-Royce Olympus gas turbines for high speed only 72,000 hp (54,000 kW) 2 shafts
Speed	30 knots (56 km/h; 35 mph)
Complement	260
Armament	RGM-84 Harpoon SSM Standard missile MR SAM ASROC anti-submarine rocket 2 × 5"/54 caliber Mark 42 guns 2 × 20 mm CIWS 2 × Type 68 triple torpedo tubes

The Hatakaze class of guided-missile destroyers is a third generation class of vessels in service with the Japan Maritime Self-Defense Force (JMSDF). They were the first of the JMSDF's ships to have gas-turbine propulsion.

The core weapon suite is similar to that of the preceding Tachikaze class, but various improvements were made in many areas. Most notable are those that allow the Hatakaze class to function as a group flagship. Normally this duty resides with a larger type of ship, but in case of their absence due to repairs, accident, or battle damage, the Hatakaze design allows for it to function as a command ship.

Hatakaze destroyers operate the OYQ-4-1 type tactical control system. Its weapon systems include the Standard missile surface-to-air missile, anti-submarine rockets, the RGM-84 Harpoon anti-ship missile, two Mark 15 20 mm CIWS gun mounts, two torpedo mounts in a triple tube configuration and two 5 inch/54 caliber Mark 42 rapid-fire guns.