The K-15 is a two-stage submarine-launched ballistic missile which uses a gas booster to eject out of its launch platform and rise up to the surface of water. A solid rocket motor is fired after the missile reaches a fixed altitude. The missile has a range of around 750 kilometres (466 mi).[12]
The development of the underwater missile launcher, known as Project 420, was completed in 2001 and handed over to the Indian Navy for trials. The missile launcher is developed at Hazira in Gujarat.[16] The Sagarika missile began integration with India's nuclear-poweredArihant-class submarine that began harbour trials on 26 July 2009.[17]
The missile was fully operationalised in August 2018.[1]
Testing
By 2008, the missile was successfully test fired seven times, and tested to its full range up to four times. The tests of 26 February 2008, were conducted from a submerged pontoon 50 metres (160 ft) beneath the surface off the coast of Visakhapatnam.[13][15][18][19]
A land-based version of the K-15 Sagarika was successfully test-fired on 12 November 2008.[20]
A full range test of the missile was done on 11 March 2012.[21][22]
The twelfth and final development trial of the missiles was conducted on 27 January 2013. According to DRDO Director General V. K. Saraswat, the missile was again tested for its full range of 700 km and met all its objectives with a single digit impact-accuracy.[23] The test will be followed by integration of the missile with INS Arihant.[24][25][26]
On 25 November 2015, a dummy or unarmed K-15 Sagarika missile was successfully test fired from INS Arihant.[27]
The missile was tested for a total of three times on 11 and 12 August 12, 2018. This completed the first phase of user trials of the missile.[1]
A successful user training trial was conducted on 14 October 2022 from INS Arihant to impart training to its crew members operating such SBMs.[28]
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