Collecting of surface skeletal remains of at least three bodies on the following location - Usora, municipality Doboj. These bodies were involved in the VRS helicopter crash on the following location - Johovica, municipality Usora, on August 18, 1992 (part of the pre-war Doboj which was under HVO control). According to the data the helicopter crashed in Bejići, between Omanska and Bejići, border line called “Duboki potok” - Omanjska. At the time of the crash the helicopter was carrying seven persons. Mortal remains of these bodies (forensic processing determined that there were only three bodies) were obtained in the exchange with the HVO. On February 20, 2004. the mortal remains were taken from the medical center in Doboj and taken to Banjaluka for forensic processing. Mortal remains taken by the representatives of the Office for Missing Persons of the Serb Republic.