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The Khobar Towers bombing was a terrorist attack on part of a housing complex in the city of Khobar, Saudi Arabia, located near the national oil company (Saudi Aramco) headquarters of Dhahran and nearby King Abdulaziz Air Base on June 25, 1996. At that time Khobar Towers was being used as quarters for foreign military personnel. A truck-bomb was detonated adjacent to Building #131, an eight-story structure housing United States Air Force personnel from the 4404th Wing (Provisional), primarily from a deployed rescue squadron and deployed fighter squadron. In all, 19 U.S. servicemen were killed and 498〔''Ukaz'' Newspaper (Arabic), July 10, 1996, p.1, col. 4. Then-Saudi Minister of Health, Dr. Osama Abdul Majeed Shobokshi, was quoted as putting the number of casualties at 498 and the number of deaths, all American, at 19. The report mentions no Saudi deaths. By this time, the minister said, 96% of those injured had left the hospital; the three remaining were recuperating from their injuries.〕 of many nationalities were wounded. Although al-Qaeda has been described by some sources as the likely culprit, the official June 25, 1996 statement by the United States named members of Hezbollah Al-Hejaz ((英語:Party of God in the Hijaz))〔(FBI-Khobar.KSA , Towers Bombings )〕〔(ATTORNEY GENERAL STATEMENT )〕 as responsible. In 2006, a U.S. court found Iran and Hezbollah guilty of orchestrating the attack.〔 ==The attack== A November 13, 1995 car bombing in Riyadh led the U.S. forces stationed at Khobar Towers to raise the threat condition to THREATCON CHARLIE. Days after the attack, military commanders briefed soldiers and airmen at Khobar that the U.S. had received anonymous communications from an organization claiming to have carried out the Riyadh attack. The attackers claimed their goal was to get the United States' military to leave the country, and that Khobar Towers would be attacked next if troop withdrawal did not begin immediately. It was at this time that surveillance and other suspicious activity near the perimeter fences of Khobar Towers was noted by United States Air Force Security Forces; however, the forces were forbidden by the Saudi government to act in any capacity outside the perimeter of the compound, and the surveillance continued with near impunity. The attackers were reported to have smuggled explosives into Saudi Arabia from Lebanon. Al-Mughassil, Al-Houri, Al-Sayegh, Al-Qassab, and the unidentified Lebanese man bought a large gas tanker truck in early June 1996 in Saudi Arabia. Over a two-week period they converted it into a truck bomb. The group now had about 5,000 pounds of plastic explosives, enough to produce a shaped charge that detonated with the force of at least 20,000 pounds of TNT, according to a later assessment of the Defense Special Weapons Agency. The power of the blast was magnified several ways. The truck itself shaped the charge by directing the blast toward the building. Moreover, the relatively high clearance between the truck and the ground gave it the more lethal characteristics of an air burst. It was originally estimated by U.S. authorities to have contained 3,000 to 5,000 pounds of explosives. Later the General Downing report on the incident suggested that the explosion contained the equivalent of 20,000 to 30,000 pounds of TNT. The attackers prepared for the attack by hiding large amounts of explosive materials and timing devices in paint cans and 50-kilogram bags underground in Qatif, a city near Khobar. The bomb was a mixture of gasoline and explosive powder placed in the tank of a sewage tanker truck. Initially, the attackers attempted to enter the compound at the main checkpoint. When they were denied access by U.S. military personnel, at around 9:43 p.m. local time, they drove a Datsun scout vehicle,〔Hamilton, Dwight. "Terror Threat: International and Homegrown terrorists and their threat to Canada", 2007〕 another car and the bomb truck, to a parking lot adjacent to building #131. A chain link security fence and a line of small trees separated the parking lot, used for a local mosque and park, from the housing compound. The perimeter of Building #131 was approximately from the fence line, with a perimeter road between the fence and building which was often used by military personnel for jogging. The first car entered the parking lot and signaled the others by flashing headlights. The bomb truck and a getaway vehicle followed shortly after. The men parked the truck next to the fence and left in the third vehicle. The bomb exploded three to four minutes later at approximately 10:20 p.m. local time. The blast was so powerful that it was felt away in the Persian Gulf state of Bahrain. An American sentry, Air Force Staff Sergeant Alfredo R. Guerrero, was stationed atop Building #131. He witnessed the men, recognized the vehicles as a threat, reported it to security, and began a floor by floor evacuation of the building. His actions are credited with saving dozens of lives. Many of the evacuees were in the stairwell when the bomb went off. The stairwell was constructed of heavy marble and was located on the side of the building away from the truck bomb, perhaps the safest location in the building. For his actions, Guerrero was awarded the Airman's Medal, the highest peacetime award for valor that the USAF gives.〔(Defense.gov News Photos ). U.S. Department of Defense. Retrieved August 14, 2011〕 Another security measure is thought to have minimized damage; along the security fence were Jersey barriers, concrete barriers commonly used along roadways. These deflected the blast energy upward, and away from the lower floors of the building, perhaps even preventing a total collapse of the structure. The force of the explosion was enormous. The size of the explosion created an intense dust storm as the forces of the high pressure blast wave and the subsequent vacuum forces caused considerable damage in their own right. Several military vehicles parked to the left side of building #131 suffered no direct impact from debris, but were heavily damaged by the sheer intensity of the shock wave. The explosion heavily damaged or destroyed six high rise apartment buildings in the complex. Windows were shattered in virtually every other building in the compound and in surrounding buildings up to a mile away. A very large crater, wide and deep, was left where the truck had been. Within a few hours of the blast, the crater began to fill with salt-water from the Persian Gulf, which is less than one mile (1.6 km) away. In the minutes following the blast, the residents of the complex evacuated severely injured U.S. military personnel from the area. With power out in many of the buildings near #131, the scene was chaotic and tense as little was known about the safety of the area from further attacks. Many residents later gathered in the local dining facility, set up as a triage center, and saw breaking news of the event on large projection televisions intended to bring news of events back home to the troops. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Khobar Towers bombing」の詳細全文を読む スポンサード リンク
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