Successful test of K-4 missile

Why in news?

• Recently, Indian Navy successfully tested K-4 missile from INS Arighat.

K-4 missile

• It is a nuclear-capable submarine-launched ballistic missile.
• It has been developed by Defence Research and Development Organisation.
• Its strike range is about 3500 km.
• K-4 is a solid fuel missile.
• Its length is 10 meters, weight is 20 tonnes and diameter is 1.3 metres.
• It can carry 2 tonnes of payload.

INS Arighat

• It is a nuclear powered ballistic missile submarine. 
• It was built at the Indian Navy's shipbuilding centre in Visakhapatnam.
• Its length is 111.6 meters, width is 11 meters and displacement is 6,000 tonnes
• It has a seven-bladed propeller which will be powered by a pressurized water reactor.
• It can run at a speed of 22 to 28 km/h on the surface and 44 km/h underwater.
• It can carry torpedoes, landmines and nuclear weapons.
• INS Arihant is India's first indigenous nuclear submarine.
• It was inducted into the Navy in the year 2018.