INS Kursura, India’s fourth submarine, commissioned on Dec 18, 1969 saw action in the Indo-Pak war of 1971. When she was decommissioned on Feb 27, 2001, the Kalvari-class diesel-electric submarine was parked finally on Ramakrishna Mission Beach in Visakhapatnam as a submarine museum in Asia which was inaugurated on August 9, 2002. With an overall length of 300 ft (91.3m), she can dive to a depth of 300 m (985 ft) with her full complement of 67 sailors and 8 officers. When she retired, she had covered 73,500 nautical miles (136,100 km). She is staffed by six retired naval personnel who guide visitors while one more is the curator.