Izumo-class destroyer

	JS Izumo (DDH-183)
Class overview
Name	Izumo class
Builders	Japan Marine United
Operators	Japan Maritime Self-Defense Force
Preceded by	Hyūga class
Cost	113.9 billion yen for construction of first unit
Built	2012–2017
In commission	2015–present
Planned	2
Completed	2
Active	2
General characteristics
Type	helicopter-carrying destroyer; Aircraft carrier (after conversion);
Displacement	19,500 tons standard; ; 26,000 tons full load;
Length	248 m (813 ft 8 in)
Beam	38 m (124 ft 8 in)
Draft	7.5 m (24 ft 7 in)
Depth	23.5 m (77 ft 1 in)
Installed power	112,100 hp (83,600 kW)
Propulsion	COGAG, two shafts; 4 × GE/IHI LM2500IEC gas turbine;
Speed	30 knots (56 km/h; 35 mph)
Complement	520 including flag staffs
Sensors and ; processing systems	ATECS (advanced technology command system); OYQ-12 combat direction system; OPS-50 AESA radar; OPS-28 surface-search radar; OQQ-23 bow sonar;
Electronic warfare ; & decoys	NOLQ-3D-1 EW suite; Mark 36 SRBOC; Anti-torpedo mobile decoy (MOD); Floating acoustic jammer (FAJ);
Armament	2 × Phalanx CIWS; 2 × SeaRAM CIWS;
Aircraft carried	7 ASW helicopters and 2 SAR helicopters; 12 or more F-35B; 28 aircraft V/STOL maximum;

The Izumo-class destroyers (いずも型護衛艦, Izumo-gata-goei-kan) are helicopter destroyers in service with the Japan Maritime Self-Defense Force (JMSDF). The official classification of these ships is DDH (helicopter-carrying destroyer), which is accepted by the United States Naval Institute; in contrast, Jane's Fighting Ships describes this official classification, but the classification is simply "helicopter carrier".

The ships of this class are currently the largest surface combatants of the JMSDF, taking over the mantle previously held by the Hyūga-class helicopter destroyers. The lead ship was officially unveiled at Yokohama on 6 August 2013.

Both ships of the class are planned to operate STOVL Lockheed Martin F-35B Lightning II aircraft after modifications. The modifications have been controversial as they seemingly violate Japan's post-World War II pacifist constitution, which restricts the country from possessing highly offensive weapons, such as aircraft carriers. Japanese and US officials have said the vessels are not in violation, describing the vessels are defensive.

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