Aegis system equipped vessels (ASEV)

	Artist's impression of future BMD ship (JSDF Photo)
Class overview
Name	Aegis system equipped vessels (ASEV)
Builders	Mitsubishi Heavy Industries, Japan Marine United Corporation
Operators	Japan Maritime Self-Defense Force
Cost	1 trillion yen ($7.1 billion USD) both ships (est.)
Building	2
General characteristics
Displacement	14,000 t (14,000 long tons) standard
Length	190 m (620 ft)
Beam	25 m (82 ft)
Propulsion	COGLAG - Two (2) x Rolls-Royce MT30 gas turbines (approx. 35.4 MW (47,500 hp) each)
Speed	30 knots (56 km/h)
Complement	240 (total)
Sensors &; processing systems	SPY-7(V)1 multi-function radar; J7.B Aegis Combat System;
Electronic warfare; & decoys	NOLQ-2 ECM intercept and jammer; 4 × Mk 137 chaff and decoy launchers;
Armament	1 × 5 inch (127mm/L62) Mk-45 Mod 4 naval gun in a stealth-shaped mount. (Made by Japan Steel Works licensed from its original manufacturer.); Mark 41 vertical launching system (Mk 41 VLS): 128 cells total; RIM-174 Standard Missile 6 (SM-6); RIM-161 Standard Missile 3 Block IIA (SM-3); Type 12 surface-to-ship missile (SM-12); RGM-109 land attack cruise missiles; Evolved SeaSparrow Missiles (ESSM);
Aircraft carried	Mitsubishi SH-60J/K/L
Aviation facilities	Flight deck and enclosed helicopter hangar
Notes	Ballistic Missile Defense (BMD)

Aegis system equipped vessels (ASEV) or (Japanese: イージス・システム搭載艦) are a pair of ballistic missile defense (BMD) warships under construction to be operated by the Japanese Maritime Self-Defense Force (JMSDF) as dedicated sea-based BMD platforms, serving as an alternative to Japan's now-cancelled land-based Aegis Ashore BMD system.