Ayanami-class destroyer

Ayanami class member Ayanami
Class overview
Name	Ayanami class
Operators	Japan Maritime Self-Defense Force
Preceded by	Harukaze class
Succeeded by	Murasame class
Built	1956–1960
In commission	1958–1990
Completed	7
Retired	7
General characteristics
Type	Destroyer
Displacement	1,720 t (1,690 long tons) standard 2,500 t (2,500 long tons) full load
Length	109 m (358 ft)
Beam	10.7 m (35 ft)
Depth	8.1 m (26 ft 7 in)
Complement	220
Sensors and processing systems	AN/SPS-12 air-search radar OPS-5 surface-search radar AN/SPS-11A OQA-1 variable depth sonar Mark 63 fire-control system
Electronic warfare & decoys	NOLR-1
Armament	6 × 3"/50 caliber Mk.22 guns 4 × 533 mm (21 in) torpedo tubes 2 × ASW torpedo racks 2 × Hedgehog anti-submarine mortars 2 × DCT (K-guns)

The Ayanami class was a destroyer class built for the Japan Maritime Self-Defense Force (JMSDF) in the late 1950s. The primary purpose was anti-submarine warfare, so this class was classified as "DDK" (hunter-killer anti-submarine destroyer) unofficially.^[1]