India has a new nuclear-capable ballistic missile submarine. But can it catch up with China?

India’s second nuclear-capable ballistic missile submarine joined its naval fleet late last month, a move the government says strengthens its nuclear deterrent as New Delhi casts a wary eye at both China and Pakistan. But India is still playing catch-up, at least compared with China, as the People’s Liberation Army grows its fleet – as well as its land and air capabilities – amid simmering