In 1983, 2nd Battalion, 6th Marines participated in the Multinational Peacekeeping Force in Beirut, Lebanon. December 1989 saw elements of the Sixth Marines in Panama for Operation Just Cause. From September 1990 to April 1991 the regiment deployed to Southwest Asia to participate in Operation Desert Shield and Operation Desert Storm. The 6th Marines conducted the northernmost breach of the infamous Saddam Line on 24 February 1991 then advanced to a key objective known as the Ice Tray. There, the regiment repulsed an Iraqi mechanized force during an early morning action dubbed the "Reveille Counterattack." The cease fire found the 6th Marines securely lodged at the base of Mutla Ridge blocking a major exit from Kuwait City. The regiment received a Meritorious Unit Citation for its actions during the liberation of Kuwait.