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Kolkata-class destroyer
The ''Kolkata'' class (Project 15A) are a class of stealth guided missile destroyers〔(Kolkata Class Guided Missile Destroyers - Naval Technology )〕 constructed for the Indian Navy. The class comprises three ships – ''Kolkata'', ''Kochi'' and ''Chennai'', all of which are being built by Mazagon Dock Limited (MDL) in India, and are the largest destroyers to be operated by the Indian Navy. Due to delays in their construction, and a problem found during the sea trials, the initial commissioning date of the first ship of the class had been pushed back from 2010 to 2014.
The destroyers are a follow-on of the Project 15 s, but are considerably more capable due to major improvements in the design, the addition of substantial land-attack capabilities, and the fitting-out of modern sensors and weapons systems. The keel of the first P-15B ship was laid in October 2013.
==Development==
In 1986, the Cabinet Committee on Political Affairs (CCPA) approved a follow-on class of the earlier Project 15 ''Delhi''-class destroyers. The aim was that the follow-on class would incorporate a higher level of air-defence, land attack, anti-submarine and anti-ship capabilities than the preceding class. However, the Indian Navy did not initially take up the option.〔(Kolkata-class destroyer ) GlobalSecurity.org〕 By the year 2000, the Indian Navy had redesigned the follow-on ''Kolkata'' class to incorporate even higher levels of technology (including modern stealth characteristics) and in May of that year, approval for the construction was given. Concept and function for Project 15A was framed by the navy's Directorate of Naval Design, while the detailed design was developed by Mazagon Dock Limited (MDL).〔(【引用サイトリンク】title=Mazagon Dock Annual Report )〕
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