India added new fire power and muscle to its Navy when Defence Minister A K Antony formally launched 'Shivalik' -- the S-class Frigate -- at the Mazagon Dock on Thursday. The Shivalik is a multirole stealth ship incorporating advanced signature suppression and signature management features along with both air defence and anti-sub marine capabilities. Though the ship is not completely invisible, it would be hard to detect on the high seas. Armed with surface-to-surface and surface-to-air missiles, Shivalik carries two advanced helicopters and is equipped with state-of-the-art CODOG (Combined Diesel or Gas Turbine) propulsion system along with most of comprehensive...