India tests submarine-launched K-4 nuke missile
According to India Today, India has tested a submarine-launched ballistic missile, codenamed K-4, that can hit targets up to 3,500 kilometers away. The nuclear-capable missile was tested twice in March from the indigenous Arihant submarine, which is undergoing trials before its induction into service. The K-4, a derivative of Agni missiles, was reportedly named after late President Abdul Kalam.