 It was nominally a "popular front" organization composed of a coalition of the Communist Party of Greece (KKE) and five other left-wing parties.EAM was virtually controlled by the KKE, although initially, the secretive and generally unpopular Communist party was successful in concealing this fact.By September 1943, the reorganization of ELAS bands along conventional lines had been completed, and ELAS strength was about 15,000 fighters with additionally 20,000 reserves.