The modern age jihad against the U.S. started way back then.
Wikipedia: The Beirut Barracks Bombings (October 23, 1983, in Beirut, Lebanon) occurred during the Lebanese Civil War when two truck bombs struck separate buildings housing United States and French military forces—members of the Multinational Force (MNF) in Lebanon—killing 299 American and French servicemen. An obscure group calling itself ‘Islamic Jihad’ claimed responsibility for the bombings.
Suicide bombers detonated each of the truck bombs. In the attack on the building serving as a barracks for the 1st Battalion 8th Marines (Battalion Landing Team – BLT 1/8), the death toll was 241 American servicemen: 220 Marines, 18 sailors and three soldiers, making this incident the deadliest single-day death toll for the United States Marine Corps since World War II’s Battle of Iwo Jima, the deadliest single-day death toll for the United States military since the first day of the Vietnam War’s Tet Offensive, and the deadliest single attack on Americans overseas since World War II. Another 128 Americans were wounded in the blast.
Thirteen later died of their injuries, and they are numbered among the total number who died. An elderly Lebanese man, a custodian/vendor who was known to work and sleep in his concession stand next to the building, was also killed in the first blast. The explosives used were later estimated to be equivalent to as much as 9,525 kg (21,000 pounds) of TNT.