The Diplomat – India’s Defense Research and Development Organization (DRDO) has once again test-fired the K-4 nuclear-capable submarine-launched ballistic missile (SLBM)–this time from aboard the Indian Navy’s indigenously built nuclear submarine, the INS Arihant, the first submarine in its class. According to press reports citing DRDO officials, the test was “highly successful” and involved a fully operationally configured K-4 with a dummy payload. In March 2016, DRDO had successfully tested the K-4 from a submerged platform in the Bay of Bengal; DRDO officials at the time declared the test to have been a “roaring success.” Continue reading