The Atago  class of guided missile destroyers is an improved version of the Japan Maritime Self-Defense Force (JMSDF)'s Kongō class destroyers that are currently under construction. It is a Japanese varient of United States Navy Arleigh Burke-class destroyer (Flight II), in comparison to Kongō-class/Arleigh Burke-class (Flight I) which only had helicopter platforms (but no support equipment), these ships have better helicopter handling facilities.

In 2000, the Japan Defense Agency Maritime Staff Office included another two Aegis ships in its five-year budget. This was made alongside the potential for another four destroyers of the Kongō class, though no such extra orders have been placed yet.

The proposed fire-control system for the Atago is Aegis Weapon System Baseline 7 phase 1, which will include a combination of U.S. and Japanese manufactured systems to make up the complete Aegis system. Like the Kongō class, the Atago destroyers will be equipped with a comprehensive suite of weapon systems including:

Specs:

Displacement: 7700 tons standard, 10,000+ tons full load
Length: 170m
Beam: 21 m
Draft: 6.2 m
Propulsion: 4 Ishikawajima Harima/General Electric LM2500-30 gas turbines;
two shafts,
100,000 shaft horsepower (75 MW)
Speed: 30 knots (56 km/h)
Crew Complement: 300
Armament: • 8 x SSM-1B SSM
• RIM-67 Standard SAM
• ASROC anti-submarine rocket
• 1 x 5 inch (127 mm/62 cal) Mk-45 mod 4 (lightweight gun)
• 2 x 20 mm Phalanx CIWS
• 2 x Mark 32 triple torpedo tubes
(6 x Mk-46 torpedoes)
Aircraft: 2 x Helicopters (Room only)

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