The State Boundary Expedition (EBN) entered its sixth edition in 2019. EBN is a program initiated by the Student Activity Unit (UKM) of the Fauna Conservation Unit (UKF) of IPB University. In the previous EBN, the UKF had carried out expeditions to several outermost islands such as Rote Island, Rondo Island, Bras Island and Sekatung Island with support from the Indonesian Navy.