Kammala jumla mai zuwa: Bayan mamayewar Isra'ila a Lebanon a watan Yunin 1982, LCP / PG ya shiga cikin ƙasa, yana taka rawa wajen kafa ƙungiyar gwagwarmayar Lebanon ta National Resistance Front (LNRF) a watan Satumbar wannan shekarar kuma daga baya ya shiga LNSF a watan Yulin 1983. Sun yi gwagwarmaya a shekarar 1983/84
Yaƙin tsaunuka tare da rundunar 'yan tawayen Druze People's Liberation Army (PLA) na Progressive Socialist Party (PSP), Al-Mourabitoun da Syrian Socialist Nationalist Party (SSNP) a cikin Gundumar Chouf da Yammacin Beirut a kan mayakan Christian Lebanese Forces (LF), Sojojin Lebanon da Multinational Force a Lebanon (MNF).