Reagan responded by authorizing the Marines to engage in “aggressive self-defense,” dispatching the battleship New Jerseyto Lebanon, and authorizing naval gunfire and airstrikes to prevent hostile forces from seizing Suq al-Gharb, which overlooked the Marine barracks. But by the time a ceasefire took hold on September 25, the fighting had provoked significant opposition to Reagan’s Lebanon policy. On September 29, Congress passed legislation invoking the War Powers Act and authorizing the Marines to remain in Lebanon for 18 months, the first time constraint placed on their presence. Weinberger now proposed withdrawing U.S. forces offshore.You have no idea what you're talking about.
On October 23, suicide bombers attacked the barracks of the U.S. and French contingents of the MNF, killing 241 American servicemen. The administration believed that the bombings, like the attack on the U.S. Embassy in Beirut that April, were perpetrated by Shi‘i militants linked to Syria’s ally Iran. Reagan responded by adopting a tough policy championed by Shultz and McFarlane, now National Security Advisor. On October 28, he signed NSDD 111, which called for broadening strategic cooperation with Israel and Arab opponents of Syria, reducing Syrian influence over Lebanon’s Druze and Shi‘a, and expanded rules of engagement regarding naval and air support for the Lebanese Army.
The implementation of NSDD 111, however, was marred by disagreements between Reagan’s advisors, Syrian intransigence, a lack of progress toward Lebanese reconciliation, and major public relations setbacks. Though Reagan publicly proclaimed that the perpetrators of the October 23 bombings “must be dealt justice,” U.S. forces did not join their French counterparts in attacking an Iranian Revolutionary Guards barrack in the Biqa‘ that November. McFarlane later contended that Reagan had authorized U.S. participation in the strikes, but Weinberger refused to follow through on his order. On December 4, the Syrians shot down two U.S. planes, and held one of the pilots, Lt. Robert Goodman, prisoner until releasing him to Democratic presidential candidate Jesse Jackson. Even more damaging to the administration’s prestige were press leaks regarding the Department of Defense’s Long Commission report, which harshly criticized the Marines’ deployment. On February 1, 1984, amidst mounting congressional criticism, Reagan approved the idea of redeploying the Marines but did not set a date for doing so. Almost immediately afterward, however, pro-Syrian militias overran West Beirut, and on February 7, Reagan announced that the Marines would withdraw offshore.
Reagan’s decision to withdraw the Marines remains controversial. Supporters argue that it did not make sense to sacrifice American lives and resources to help resolve a conflict where the parties involved showed little interest in working toward U.S. goals. Critics, however, claim that Reagan failed to stand firm against terrorism and demonstrated that the United States was an undependable ally.