 Complete the following phrase:  During that same month, they were heavily committed in the battles for the Mount Lebanon region, East Beirut, the Matn District and the Aley District against the Lebanese National MovementJoint Forces LNM-JF and Lebanese Arab Armys LAA Spring offensive, being frequently employed as a fire brigade to fill gaps at the front, notably at Achrafieh, Tayyouneh-Lourdes, Kahale, Sin el Fil, and Ayoun es-Simane to name but a few, sustaining heavy casualties in the process. Integrated into the Lebanese Forces in 1977, Tanzims militiamen later again played a key role in the eviction of the Syrian Army out from the Christian-controlled East Beirut in February 1978 during the 