Mezue ahịrịokwu na-esonụ: Mahmoud Da'as (, nke a makwaara dị ka "kunya" Abu Khalid; 1934 <unk> 2009) bụ onye isi ndị isi nke Palestine Liberation Organization (PLO), na-eje ozi dị ka onye otu oge nke Fatah's Revolutionary Council na Supreme Military Council. Amụrụ na ugwu Palestine, Da'as toro na Jordan ebe ọ sonyeere ndị agha Jordan (JAF). A zụrụ ya dịka onye injinia ndị agha, emesịa họpụta ya onye isi ndị ọchịagha na onye isi nke ndị ọrụ injinia nke Jordan nke abụọ. Da'as sonyeere PLO na 1967, wee si na JAF pụọ n'oge agha ahụ.
Septemba ojii nke afọ 1970. Ọ rịgoro n'ọkwa nke PLO, wee bụrụ onye isi ndị agha dị mkpa na esemokwu Arab-Israel, na-esonye na ọrụ na Lebanon, Yemen, Sudan, na Uganda. N'ịgbaso nkwekọrịta Oslo I, Da'as ghọrọ onye ndụmọdụ ndị agha nke Onye isi ala Yasser Arafat na onye nnọchi anya ndị omebe iwu na Palestine.