Bangladesh Navy (BN)operates to safeguard the sovereignty over the internal waters & territorial sea, and to ensure sovereign rights over the Contiguous Zone, Exclusive Economic Zone (EEZ) and Continental Shelf of Bangladesh while supporting riverine and maritime economic activities including free flow of riverine & sea borne trade. Since its inception BN has carried out many operations which includes both operations of liberation war and peace time operations. The war time operation involved conventional as well as unconventional operation. The peace time operation was mainly related to anti-smuggling, anti-piracy, fishery protection, disaster management, pollution control, Search & Rescue (SAR), policing &marshaling duties for important/sensitive cargo carrying merchant vessels and many others involved in aid to civil power.