NNS OSUN with Visual Call Sign P191 is a Fast Patrol Boat with a length of 24m. She has a ship compliment of 10 men. Her primary role is to combat piracy, crude oil theft, illegal immigration, Search and Rescue (SAR) among others. The vessel was built by OCEA France and was commissioned in 2020. The Officer-in-Charge (OIC) of the boat is Lt Cdr OR Onyoku.