ISOSC is a NATO accredited four week long course. 14 students, 10 from Bosnia and Herzegovina, and 4 international students (Albania, Macedonia, Azerbaijan, and Tunisia) were attending the course and received their certificates at the graduation ceremony held at PSOTC on 8^th June 2018. Besides PSOTC staff, guest lecturers from the NATO and EUFOR Headquarters, Sarajevo, OSCE mission to BiH, Center for Security Studies Sarajevo, BiH Parliament and SWISSINT gave a huge contribution to the quality of the course. During the course, the participants developed their essential staff skills in accordance with NATO standards and as a result they were prepared for their engagement in international and national headquarters in Peace Support Operations.