President Droupadi Murmu created history by undertaking a dive and operational sortie aboard the indigenous Kalvari-class submarine INS Vaghsheer on the Western Seaboard on 28 December 2025. With this, she became only the second President of India to sail in a submarine, after former President APJ Abdul Kalam. The President embarked on INS Vaghsheer at Karwar Naval Harbour in Karnataka.