The 4th edition of India-Japan maritime bilateral exercise JIMEX, between the Indian Navy and Japanese Maritime Self-Defense Force (JMSDF), completed three days of exercise, on Monday. It was held in the North Arabian Sea from September 26 to September 28. Ships undertook anti-air and anti-submarine warfare exercises, weapon firings, tracking, and tactical manoeuvres. On the second day as well, the Indian Navy and Japanese Maritime Self-Defense Force (JMSDF) ships undertook weapon drills, seamanship evolutions, and advanced exercises. JIMEX series of exercises commenced in January 2012 with a special focus on maritime security cooperation. The last edition of JIMEX was conducted in October 2018 off Visakhapatnam, India.