Atago

The Atago-class destroyers are an improved version of Kongo-class destroyers incorporating an aft helicopter hangar and the AN/SQQ-89 underwater warfare system. These ships were procured as a second batch of destroyers with the lead ship commissioned by the JMSDF in 2006. The propulsion system comprises two shafts and four LM2500 gas turbines developing 100,000-shp. This 7,700t class ship can achieve a top speed of 30 knots. Atago-class destroyers are provided with a large aft flight deck and hangar allowing for operation of two anti-submarine warfare (ASW) or patrol helicopters. The Atago-class destroyers integrate the complete AEGIS-weapon system including a 90-cell (1x61-cell and 1x29-cell) Mk 41 strike length vertical launching system (VLS) and four AN/SPY-1D multifunction radar antennas. The Standard SM-2 Block IIIA surface-to-air missiles are intended to engage airborne threats. RGM-84 Harpoon and VLA (Vertical Launch ASROC) are intended to engage ships and submarines respectively. The weapon system also includes a 5-inch (127mm) naval gun with reduced radar cross section, two 20mm Phalanx close-in weapon systems and two tripe 12.75-in torpedo tubes.

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