Sosnaliyev became the head of the military department of the newly formed Confederation of Mountain Peoples of the Caucasus. After the beginning of the War in Abkhazia he arrived to Abkhazia with the group of Kabardin volunteers through on 15 August 1992. He was appointed the head of the staff of the Gudauta-based State Committee of the Defence and was one of the planners of the victorious Battle of Gagra.