BNS KarnafuliBNS Karnafuli was a ASW patrol boat in service with the Bangladesh Navy for nearly half a century.ArmamentThe ship was armed with two Bofors 40 mm L/70 guns and four 20 mm cannon. It also carried two 128 mm rocket launchers and two racks for Mk 6 Projectors for ASW operations. She was mainly used as an anti-submarine warfare ship in Bangladesh Navy.CareerThe ship along with her sister ship were acquired from the former Yugoslavia in 1975 and commissioned on 6 June 1975. BNS Karnafuli was reduced to reserve in 1988 but was re-engined in 1995 and returned to active service. After serving the Bangladesh Navy for around 47 years, she was decommissioned from service on 9 November 2022.