Exercise Neptune, the periodic exercise to test the coastal defence preparedness of Lakshadweep and Minicoy Islands will commence tomorrow. This edition of the exercise called Neptune –IV and scheduled by Commander in Chief Coastal Defence, will see the participation of Indian Coast Guard, Navy, and elements of Indian Army, Indian Reserve Battalion, Lakshadweep administration and other agencies involved in coastal security. Ships and aircraft of the Indian Navy and Coast Guard are participating in the exercise which will be held over two days. Commander District headquarters No 12 based at Lakshadweep and Naval Officer in Charge (Lakshadweep and Minicoy) will coordinate the conduct of the exercise. Headquarters Southern Naval Command will monitor Neptune-IV from Joint Operations Center, Kochi.