An Indian navy serviceman walks down the gangplank of the newly commissioned warship, INS Kolkata, during its commissioning ceremony at a naval base in Mumbai August 16, 2014. According to a media release, the 163 meter long warship, with a cruise speed of 30 knots is equipped with the latest telecommunication devices and armed with anti-air missiles and anti-submarine weapons. The warship weighs 7500 tonnes and has been constructed by the Mazagon Docks Ltd, Mumbai and designed by the Navy's Design Bureau. REUTERS/Danish Siddiqui (INDIA - Tags: MILITARY MARITIME)