Bangladesh Navy The Bangladesh Navy ( ) is the naval arm of the Bangladesh Armed Forces . The navy is mostly limited to coastal patrolling , however it is implementing an ambitious procurement and expansion program to ensure the security of Bangladesh ' s maritime boundary which includes the country ' s vast exclusive economic zone , deep sea oil , gas and mineral reserves , and vital shipping lanes in the Bay of Bengal . The Bangladesh Navy is undergoing major transformation since last decade . In 2010 contracts were signed for a total of 11 ships out of which 8 are new construction . Two Agusta Westland AW 109 E maritime helicopters were delivered in July 2011 . On 23 June 2011 contract was signed with Ruag for supply of 2 Dornier 228 NG MPA . History . The Bangladesh Navy was created as part of Bangladesh Forces during Bangladesh ' s 1971 Independence war against Pakistan . Its official creation date is July 1971 during the historic Bangladesh Sector Commanders Conference 1971 . In 1971 , with West Pakistan imposing a brutal military crack - down in East Pakistan , the Bangladesh Liberation War was already underway . Many Bengali sailors and officers in the Pakistan Navy defected to form the nascent Bangladesh Navy . Initially , there were two ships and 45 navy personnel . On 9 November 1971 , the first naval fleet consisting of six small patrol vessel s were inaugurated . These ships tried to carry out raids on the Pakistani fleet , but were mistakenly hit and sunk by Indian Air Force on December 10 , 1971 . The next major attack was launched on Mongla seaport . According to official figures from Bangladesh Navy , a total of 334 sailors were involved with the newly created navy with 22 being killed in action . Bangladesh Navy Organization and formation . Bangladesh Navy ( BN ) has its headquarters at Banani , Dhaka . HQ has 4 branches , Operations ( O ) , Personnel ( P ) , Material ( M ) and Logistics ( Log ) . Each branch is headed by officers who are titled as Principal Staff Officer ( PSO ) and known as Assistant Chief of Naval Staff ( ACNS ) , e . g . , ACNS ( O ) . Under each PSO there are various Directorates headed by Directors with the rank of Captain . Under each Director there are Deputy Directors ( DD ) and Staff Officers ( SO ) . Flag officers holding command or important positions in the Bangladesh Navy are as follows . Headquarters . Chief of Naval Staff Ranks . Branches . Bangladesh Navy has 6 administrative branches : Equipment . Bangladesh Naval Aviation . Bangladesh Naval aviation started its journey on 14 July 2011 with the induction of two AugustaWestland AW109 Power helicopter . On 27 December 11 , Prime Minister Sheikh Hasina formally inaugurated Naval Aviation in Chittagong . Bangladesh Naval Aviation operates from Chittagong Air Station . Forward Operation bases are Patuakhali , Cox ' s Bazar , Dhaka and Khulna . Marines and Special Forces . The Bangladesh Navy maintains a Special Operations unit known as the SWADS . On 27 dec 11 , Prime Minister Sheikh Hasina commissioned SWADS base as BNS Nirvik at Danger Char opposite to BNS Isa Khan . The current strength of the unit is classified . Future Expansion Plan . The Government of Bangladesh announced an ambitious defence procurement plan in February 2009 for a major purchase of weaponry , equipment and hardware for its armed forces , including anti - tank and anti - ship missile systems , aircraft for maritime patrol , frigates , tanks and helicopters . The Parliamentary standing committee in principle agreed to a 10 - year development program in June 2009 , under which the navy is to acquire 3 missile frigates , 3 large offshore patrol vessels with helicopter deck ( 2 already acquired , with a third in the process ) , 12 patrol craft , submarines , 2 landing craft ( utility ) , 2 hydro - graphic research ship ( acquired ) , 1 salvage vessel , 4 Fast Attack Craft ( Missile ) and install guided weapons systems in some ships to strengthen their combat capability . Following BNS Osman , BNS Bangabandhu , the most modern ship of Bangladesh Navy , is going to be equipped with maritime helicopter , air defence and anti - ship missile . Bangladesh Navy is replacing its three age - old ex - Royal Navy frigates ( BNS Abu Bakar , BNS Ali Haider and BNS Umar Farooq ) with modern frigates within the next couple of years and also preparing to add submarines to its fleet by 2019 . Under a contract with CSOC , BN will construct 5 Patrol Craft of 350 tons at Khulna Shipyard with Chinese technical assistance of which two are commissioned in 2013 . BN has also signed a contract for the delivery additional C - 704 SSM and QW - 2 shoulder launched SAM . The C - 704 SSMs will be fitted on board the existing quad - launcher missile boats as part of mid - life upgrade . Two AW 109E helicopters arrived in Bangladesh on 14 June 2011 and after being reassembled are now in active service . On 3 June 2013 From Ruag Germany two Dornier 228 NG MPA has been delivered which are also in active service now . As of April , 2010 the rapid modernization program of BN involves order of On discussion : Bangladesh Naval Academy . Bangladesh Naval Academy is the commissioned officer training academy of Bangladesh Navy located at the port city Chittagong .