Atago-class Guided Missile Destroyer

The Atago-class Guided Missile Destroyer is a class of four destroyers used in the Japan Maritime Self-Defense Force from 2007 onwards. It is an improved variant of the Kongou-class DDGs that entered service in the 1990s. The Atago-class replaced the Tachikaze-class destroyers that were in service since 1973. They will be complemented by the Yukinami-class from 2020 onwards.

Specifications

 * Type: Guided Missile Destroyer (Hull designation symbol DDG)
 * Built: 2004-2011
 * Service Period: 2007-Present
 * Characteristics
 * Length: 560 ft (170.69 meters)
 * Beam: 68 ft 10.8 in (21 meters)
 * Draught: 20 ft 3.6 in (6.19 meters)
 * Displacement: 7,700 tons (Standard), 10,000 tons (Full Load)
 * Crew: 300
 * Propulsion: 4 x Ishikawajima Harima/General Electric LM2500-30 gas turbines, 2 shafts 5-bladed CP props, 100,000 shp (75 MW)
 * Range: 6,000 nautical miles (11,112 kilometers) at 20 knots (37.04 km/h)
 * Speed: 30 knots (55.56 km/hr)
 * Sensor Suite
 * AN/SPY-1D(V) Air Search Radar
 * OPS-28E Surface Search Radar
 * OPS-20B Navigation Radar
 * AN/SPG-62 Fire Control Radar x 4
 * OQS-102 Bow Sonar
 * OQR-2D-1 Towed Array Sonar
 * Countermeasures:
 * NOLQ-2B Electronic Warfare System
 * Mark 36 Mod 12 SBROC
 * Armament
 * 1 x 5"/62-caliber Mk.45 mod 4 lightweight naval gun
 * 1 x Mk.41 mod 20 VLS (64+32) (fires RIM-66M5 SM-2ER, RUM-139 VL-ASROC, RIM-161 SM-3, RIM-162C ESSM, RIM-174 SM-6)
 * 2 x Mk.141 SSM Launchers (fires Type 90 AShMs)
 * 2 x 12.75" Type 68 triple torpedo tubes (fires Mk.46 mod 5 lightweight torpedoes)
 * 2 x 20mm/70-caliber Mk.15 mod 25 Phalanx CIWS
 * Aircraft Carried: 1 x Mitsubishi SH-60J/K Seahawk maritime helicopter
 * Aviation Facilities: Flight deck and enclosed hangar for one helicopter

Batch I

 * JS Atago (DDG-177)
 * JS Ashigara (DDG-178)

Batch II

 * JS Maya (DDG-179)
 * JS Takao (DDG-180)