In the aftermath of the June–September 1982 Israeli invasion of Lebanon, President Amin Gemayel, convinced that a strong and unified national defense force was a prerequisite to rebuilding the nation, announced plans to raise a 60,000-man army organized into twelve brigades (created from existing infantry regiments), trained and equipped by France and the United States. In late 1982, the 3rd Infantry Regiment was therefore re-organized and expanded to a brigade group numbering 2,000 men, mostly Sunni Muslims from Southern Lebanon, which became on January 18, 1983, at the southern port city of Sidon, the 3rd Infantry Brigade.