They later operated among the Dodecanese and Cyclades groups of islands in the Dodecanese Campaign and took part in the Battle of Leros and the Battle of Kos. They, with the Greek Sacred Band, took part in the successful Raid on Symi in July 1944 in which the entire German garrison was either killed or captured. In August 1944 they joined with the Long Range Desert Group in operations in the Adriatic, on the Peloponnese, in Albania, and, finally, in Istria. So effective were they that, by 1944, the 200–300 men of the SBS were holding down six German divisions.