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In this Oct. 23, 1983 file photo, British soldiers give a hand in rescue operations at the site of the bomb-wrecked U.S. Marine command center near the Beirut airport, Lebanon. A bomb-laden truck drove into the center collapsing the entire four story building. The blast _ the single deadliest attack on U.S. forces abroad since World War II _ claimed the lives of 241 American service members. (AP Photo/Bill Foley, File) ( Mideast Lebanon Marine Bombing Photo Essay )

In this Sunday, Oct. 23, 1983, file photo, rescuers prepare to lower a U.S. Marine on a stretcher down to safety below, in Beirut, Lebanon, following a truck bomb attack on the Marine barracks near the Beirut airport. (AP Photo/Bill Foley, File) ( Mideast Lebanon Marine Bombing Photo Essay )

US Marines search on October 23, 1983, through tons of rubble for their missing comrades in the devastation of the Marines Headquarters in the southern suburbs of Beirut, which was destroyed by a suicide bomber driving a truck packed with explosives. 299 Marines were killed in the blast. The troops were part of the FMSB, (Beirut security multinational force) that was installed to keep security in the Lebanese capital. The Beirut barracks bombing on October 23, 1983 in Beirut occurred during the Lebanese Civil War, two truck bombs struck separate buildings housing United States and French military forces?members of the Multinational Force in Lebanon?killing 299 American and 58 French paratroopers. The organization Islamic Jihad claimed responsibility for the bombing. (PIERRE SABBAGH/AFP/Getty Images) ( ARP2701827 )

This Oct. 23, 1983, file photo shows the scene of a truck bombing on a U.S. Marine base near Beirut airport in Beirut, Lebanon. This was a rock-solid structure that had withstood Israeli air and artillery attack during the Israeli invasion of 1982. Yet it had been blown to pieces by a truck bomb that exploded just before 6:30 a.m. that day, with the force of 21,000 pounds of TNT.(AP Photo, File) ( Mideast Lebanon Marine Bombing Photo Essay )

This Sunday, Oct. 23, 1983, file photo shows service members digging through rubble after a truck bombing on the U.S. Marine barracks in Beirut, Lebanon. (AP Photo/Jim Bourdier, File) ( Mideast Lebanon Marine Bombing Photo Essay )

In this Sunday, Oct. 23, 1983, file photo, an injured service member is carried on a stretcher after a suicide truck bomb struck the U.S. Marine barracks in Beirut, Lebanon. (AP Photo, File) ( Mideast Lebanon Marine Bombing Photo Essay )

In this Sunday, Oct. 23, 1983 file photo, the U.S. Marine Corps flag flies at half-staff after a truck bomb destroyed the Marine barracks in Beirut. (AP Photo, File) ( Mideast Lebanon Marine Bombing Photo Essay )

This Sunday, Oct. 23, 1983 file photo shows the aftermath of a suicide truck bombing of the U.S. Marines barracks in Beirut, Lebanon. The blast _ the single deadliest attack on U.S. forces abroad since World War II _ claimed the lives of 241 American service members.(AP Photo/Jim Bourdier, File) ( Mideast Lebanon Marine Bombing Photo Essay )

In this Oct. 26, 1983 file photo, U.S. Vice President George Bush, center, wearing a flak jacket and steel helmet, is briefed at the site of a suicide truck bomb attack on the U.S. Marine barracks, near Beirut airport, Lebanon. At left is Marine Corps Commandant Gen. Paul Kelly and right is Col. Timothy Geraghty. The blast _ the single deadliest attack on U.S. forces abroad since World War II _ claimed the lives of 241 American service members.(AP Photo, File) ( Mideast Lebanon Marine Bombing Photo Essay )

In this Sunday, Oct. 23, 1983 file photo, a victim of a truck bomb at the U.S. Marine barracks is carried to a waiting helicopter, in Beirut, Lebanon. The blast _ the single deadliest attack on U.S. forces abroad since World War II _ claimed the lives of 241 American service members. (AP Photo/Bill Foley, File) ( Mideast Lebanon Marine Bombing Photo Essay )

In this Sunday, Oct. 23, 1983, file photo, U.S. Marines carry their dead comrades away from the four-story barracks building that was destroyed in a suicide truck bomb blast, near Beirut airport, Lebanon. The blast _ the single deadliest attack on U.S. forces abroad since World War II _ claimed the lives of 241 American service members.(AP Photo/Assad Jeradeh,File) ( Mideast Lebanon Marine Bombing Photo Essay )

This Oct. 23, 23, 1983 file photo shows the scene around the U.S. Marine barracks near Beirut airport following a massive bomb blast that destroyed the base, in Beirut, Lebanon. The blast _ the single deadliest attack on U.S. forces abroad since World War II _ claimed the lives of 241 American service members.(AP Photo, File) ( Mideast Lebanon Marine Bombing Photo Essay )

This Sunday, Oct. 23, 1983, file photo, shows the scene at the U.S. Marine base near Beirut airport, Lebanon, following a suicide truck blast that destroyed the base and caused a huge death toll. (AP Photo, File) ( Mideast Lebanon Marine Bombing Photo Essay )

In this Sunday, Oct. 23, 1983, file photo, service members search through rubble after a suicide truck bomb attack on the U.S. Marine barracks in Beirut, Lebanon. The blast _ the single deadliest attack on U.S. forces abroad since World War II _ claimed the lives of 241 American service members. (AP Photo/Jim Bourdier, File) ( Mideast Lebanon Marine Bombing Photo Essay )

In this Monday, Oct. 24, 1983, file photo, rescue workers are shown carrying the body of a U.S. Marine killed by the bombing of the Marine barracks in Beirut, Lebanon. The blast _ the single deadliest attack on U.S. forces abroad since World War II _ claimed the lives of 241 American service members.(AP Photo/Jamal, File) ( Mideast Lebanon Marine Bombing Photo Essay )

In this Sunday, Oct. 23, 1983 file photo, U.S. Marines stand guard at a bunker in front of the Marine barracks building that was destroyed by a suicide truck bomb attack that killed 241 American service members near Beirut airport, Lebanon. Marines in the background dig in the rubble to retrieve injured and dead. (AP Photo/Bill Foley, File) ( Mideast Lebanon Marine Bombing Photo Essay )

This combination of two photographs shows the aftermath of a suicide truck bomb attack on the U.S. Marine barracks in Beirut, Lebanon on Sunday, Oct. 23, 1983, top, and the site of the blast as seen 30 years later on Wednesday, Oct. 23, 2013. (AP Photo/Mark Foley, Bilal Hussein) ( Mideast Lebanon Marine Bombing Photo Essay )

US marines continue to search for victims, on October 31, 1983, after a terrorist attack against the headquarters of the U.S. troops of the multinational force that killed 241 American soldiers on October 23, 1983 in Beirut. (Photo credit should read PHILIPPE BOUCHON/AFP/Getty Images) ( ARP1995164 )

In this Oct. 25, 1983, file photo, U.S. Marine Corps Commandant Paul Kelley, left, awarded the Purple Heart to Marines wounded in the terrorist bombing in Beirut during a ceremony at the Wiesbaden Air Force hospital, in Germany. At right (from back to front) Renard Manley (Panama City, Fla.), Michael Balcon (Vernon, N.Y.), Elvin H. Henry (Columbia, S.C.) and Pedro J. Alvaredo (Ponce, Puerto Rico). The blast _ the single deadliest attack on U.S. forces abroad since World War II _ claimed the lives of 241 American service members. (AP Photo/Udo Weitz, File) ( Mideast Lebanon Marine Bombing Photo Essay )

In this Monday, Oct. 24, 1983, file photo, U.S. Marines and an Italian soldier, right, dig through the rubble of the battalion headquarters, in Beirut, Lebanon, working around the clock searching for victims of the suicide truck bomb attack against the U.S. Marine barracks on Oct. 23, 1983. A massive, four-story building that had withstood air strikes and artillery was now reduced to a mountain of rubble and enormous chunks of concrete. Watching crews remove wreckage, I thought, "My God. How did anyone survive?" AP's Cairo bureau chief at the time, Robert H. Reid recounts of the Oct. 23, 1983 bombing of the U.S. Marines barracks in Beirut that killed 241 Americans, one of the U.S.'s first experiences with a Mideast suicide attack. (AP Photo/Bill Foley, File) ( Mideast Lebanon Marine Bombing Photo Essay )

In this Oct. 25, 1983, file photo, U.S. Marine Lovelle Moore from East St. Louis, Illinois, wounded in a truck bomb attack on his barracks in Beirut, is awarded the Purple Heart by U.S. Marines Corps Commandant Paul Kelley at the Wiesbaden Air Force hospital in Germany. The blast _ the single deadliest attack on U.S. forces abroad since World War II _ claimed the lives of 241 American service members. (AP Photo/Udo Weitz, File) ( Mideast Lebanon Marine Bombing Photo Essay )