President Droupadi Murmu embarked on a submarine sortie at the Karwar naval base in Karnataka today. Chief of Naval Staff Admiral Dinesh K Tripathi accompanied the President onboard INS Vaghsheer, a Kalvari class submarine. The President is also the Supreme Commander of the armed forces. This maiden sortie onboard a Kalvari Class Submarine by President Murmu is the second by a President. APJ Abdul Kalam was the first president to undertake a submarine sortie in 2006 at Visakhapatnam. After arrival in Karwar, Karnataka Governor Thaawarchand Gehlot welcomed her. President Murmu is on a four-day visit to Goa, Karnataka, and Jharkhand beginning yesterday.