The brigade also fielded a logistics support battalion, equipped with liaison and transport vehicles such as US M151A2 jeeps, Land-Rover long wheelbase series III, Chevrolet C20 and Dodge Ram (1st generation) pickups, plus US M35A2 2½-ton (6x6) military trucks.

The 8th Brigade was once again deployed to the Souk El Gharb ridge, to block the advancement of the pro-Syrian militias from reaching deeper into the Christian zones and threatening the ministry of Defense in Yarze, as well as, the Presidential Palace in Baabda.

The 8th Brigade strived to safely remove Elie Hobeika and his men from their headquarters in East Beirut to the Ministry of Defense in Yarze, in order to be deported to the Christian town of Zahle in the Syrian-controlled Beqaa Valley.

After three days of fierce fighting, the Brigade stemmed the advance, restored the Army defensive lines, and drove the SSNP fighters back to their original positions in the Dhour El Choueir village.

Gemayel relinquished his authority to a transition government formed of the members of the "Army Supreme Military Council" headed by General Michel Aoun as Prime Minister.

[12] On 14 March 1989, the internal political challenge to elect a President reached its climax, the Syrian threat widened its assault by striking hard on urban Christian-held areas.

On 13 August 1989, following three days of continuous Syrian shelling to suppress Lebanese Army defenses and its military facilities, large numbers of heavy-equipped Druze PSP/PLA fighters and leftist militias attacked the Souk el Gharb Front.

The Druze PSP/PLA militia, reinforced by Soviet T-55A tanks and supported by heavy artillery, occupied the high ground of "Keyfoun's Fortress" and penetrated other parts of the Souk El Gharb Front while attempting to descend the ridge towards the Presidential Palace.

Samir Geagea commander of the Lebanese Forces intended to overthrow the antagonistic rival Prime Minister General Michel Aoun for refusing the Taif Agreement.

In support of Prime Minister Michel Aoun, the 8th Brigade took control of the Southern and Northern parts of the Matn District from Samir Geagea's LF militia forces.

On 13 October 1990 the Syrian Army, given an international green light, invaded the last of the autonomous Lebanese zones controlled by Prime Minister General Michel Aoun in order to end his "Rebellion" and to put in office President Elias Hrawi.