Coast guard drills and multi-agency security exercises off Visakhapatnam as Sea Vigil-26 tests India’s coastal defence readiness. The Indian Navy and other security agencies carried out a series of coastal security drills off Visakhapatnam on Friday as part of Exercise “Sea Vigil-26”, the fifth edition of the Pan-India. Sea Vigil-26 tested coastal security off Visakhapatnam with Navy, Coast Guard, police, Customs and fishing communities in coordinated operations.