Pećanac took part in the Chetnik action against the Ottoman army and fought in numerous areas including Šuplja Stena (near Pčinja) and the village of Čelopek.
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Pećanac joined forces with local leader Kosta Vojinović and they both established headquarters on Mount Kopaonik.
Novaković subsequently left Ravna Gora and attached himself to the rival Chetniks of Kosta Pećanac.
Kosta Zafiriou | Kosta Hakman | Kosta Perović | Kosta Pećanac | Kosta Nađ | Kosta Gouliamos |