A Brief History of UNIFIL and an Analysis of its Efficacy

The United Nations Interim Force in Lebanon (UNIFIL) was established by UNSC resolutions 425 and 426 on March 19, 1978, days after the Israel Defense Force launched Operation Litani. The resolutions tasked the force with three specific goals: to confirm the evacuation of Israeli troops, to restore international peace and security, and to support the Lebanese government in reestablishing territorial sovereignty in the area. Almost 44 years later, UNIFIL remains deployed and southern Lebanon remains outside any meaningful control of the Lebanese government.

This paper examines the history of UNIFIL, its evolution since its inception, and its current state given current regional status, and argues that the force failed for reasons embedded in its founding mandate. Because the UNSC was hesitant to assign the UN to a side in the Arab-Israeli conflict, it never committed UNIFIL to a demilitarized zone, and the vague language of resolutions 425 and 1701 left the door open first to the PLO and then to Hezbollah. Hezbollah has since nullified the efficacy of UNIFIL II through restricted movement, civilian-led resistance, and intimidation.

The paper concludes by proposing a hypothetical “UNIFIL III” built on a strictly enforced demilitarized zone, equal protection of Lebanese sovereignty from Israeli incursion, and a road map for the transfer of power to the LAF.