evidence: United Nations Mission of Observers in Prevlaka UN Mission of Observers in Prevlaka (UNMOP) was established on 15 January 1996 in Security Council Resolution 1038[1] as a peacekeeping mission to monitor the demilitarization of the disputed Prevlaka peninsula by carrying out daily foot and vehicle patrols on both sides of the border between Croatia and Yugoslavia (specifically, its federal unit Montenegro). [...] - ^ "UNMOP: United Nations Mission of Observers in Prevlaka - Facts and Figures".