Other Italian officers were Captain Francesco De Martini in Eritrea, Colonel Calderari in western Ethiopia/Somalia, Colonel Di Marco in Ogaden/British Somaliland "blackshirt centurion" De Varda in Somalia/Ethiopia and Major Lucchetti in Ethiopia. Civilians participated and in August 1942, forces led by Dr. Rosa Dainelli sabotaged the main British ammunition dump in Addis Ababa. Hostilities in East Africa officially ceased on 9 September 1943, when the Italian government signed the Armistice with Italy. Some three thousand Italian soldiers continued the guerrilla war until October 1943, as they were unaware of the agreement when Italy surrendered to the Allies.