Back in 2015, the Indian-based news outlet, NDTV, cited unnamed Indian naval sources as saying that India’s Navy is worried by China’s increasingly frequent submarine deployments in the Indian Ocean. In September 2013, China confirmed for the first time that a nuclear attack submarine would transit the Indian Ocean on its way to carry out the international anti-piracy mission in the Gulf of Aden. This was followed by submarines docking in the Chinese-funded Colombo port of Sri Lanka twice last year. The first docking, back in September 2014, was a Song-class diesel-electric attack submarine. However, seven weeks later a Type 091 Han-class nuclear-powered submarine surfaced in Sri Lanka. Around the same time, China