Force 17 (Arabic: ????? 17?) was a commando and special operations unit of the Palestinian Fatah movement and later of the Office of the Chairman of the Palestinian Authority. Force 17 was formed by Ali Hassan Salameh in the 1970s in an attempt to professionalize Fatah's intelligence services. Force 17 was also initially responsible Yassar Arafat's personal security.In 1995 the unit was largely absorbed by Fatah into an official unit of the Palestinian Authority's national security apparatus in order to counterbalance the growing strength of Palestinian Islamist factions.
-September 1985: Gunmen allegedly part of Force 17 stormed a yacht moored in Larnaca, Cyprus killing three Israeli citizens. PLO authorities at the time denied involvement.
-December 1985: Force 17 claimed responsibility for the kidnapping and murder of IDF soldier Moshe Levi. His body was found burning near Mazor.