In an apparent underwater warfare tit-for-tat, India and Pakistan are bolstering their conventional submarine fleets with French and Chinese assistance respectively. This month, India began sea trials of its fifth Kalvari-class sub, the soon-to-be INS Vagir. The boat was launched in November 2020 from the Kanhoji Angre Wet Basin of Mazagon Dock Shipbuilders Limited (MDL). […]