NNS OJI with Visual Call Sign P275 derived its name from the River Oji. She is a 43m Seaward Defense Boat (SDB), the third in its series of Ships locally built by the NN. NNS ANDONI and NNS KARADUWA being the first and second respectively. The Ship was commissioned on 9 Dec 21 alongside 5 other acquired Ships. Prior to the commissioning of the ship, officers and ratings were appointed and drafted respectively as the Ship’s complement to man and fight the ship effectively. The Commanding Officer onboard the Ship is Cdr S Bala.