2010 Cargo Plane Bomb Plot
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On October 29, 2010, two packages, each containing a bomb consisting of
plastic explosive Plastic explosive is a soft and hand-moldable solid form of explosive material. Within the field of explosives engineering, plastic explosives are also known as putty explosives or blastics. Plastic explosives are especially suited for explos ...
s and a detonating mechanism, were found on separate cargo planes. The bombs were discovered as a result of intelligence received from
Saudi Arabia Saudi Arabia, officially the Kingdom of Saudi Arabia (KSA), is a country in Western Asia. It covers the bulk of the Arabian Peninsula, and has a land area of about , making it the fifth-largest country in Asia, the second-largest in the A ...
's security chief. They were bound from
Yemen Yemen (; ar, ٱلْيَمَن, al-Yaman), officially the Republic of Yemen,, ) is a country in Western Asia. It is situated on the southern end of the Arabian Peninsula, and borders Saudi Arabia to the Saudi Arabia–Yemen border, north and ...
to the United States, and were discovered at en route stop-overs, one at
East Midlands Airport East Midlands Airport is an international airport in the East Midlands of England, close to Castle Donington in northwestern Leicestershire, between Loughborough (), Derby () and Nottingham (); Leicester is () to the south and Lincoln () nort ...
in the UK and one in
Dubai Dubai (, ; ar, دبي, translit=Dubayy, , ) is the most populous city in the United Arab Emirates (UAE) and the capital of the Emirate of Dubai, the most populated of the 7 emirates of the United Arab Emirates.The Government and Politics of ...
in the
United Arab Emirates The United Arab Emirates (UAE; ar, اَلْإِمَارَات الْعَرَبِيَة الْمُتَحِدَة ), or simply the Emirates ( ar, الِْإمَارَات ), is a country in Western Asia (The Middle East). It is located at th ...
. One week later,
al-Qaeda in the Arabian Peninsula Al-Qaeda in the Arabian Peninsula ( ar-at, تنظيم القاعدة في جزيرة العرب, Tanẓīm al-Qā‘idah fī Jazīrat al-‘Arab, lit=Organization of the Base in the Arabian Peninsula or , ''Tanẓīm Qā‘idat al-Jihād fī Jaz ...
(AQAP) took responsibility for the plot, and for the crash of
UPS Airlines Flight 6 UPS Airlines Flight 6 was a cargo flight operated by UPS Airlines. On September 3, 2010, the Boeing 747-400F flying the route between Dubai, United Arab Emirates, and Cologne, Germany, developed an in-flight fire, which caused the aircraft to c ...
. U.S. and British authorities believed
Anwar al-Awlaki Anwar Nasser al-Awlaki (also spelled al-Aulaqi, al-Awlaqi; ar, أنور العولقي, Anwar al-‘Awlaqī; April 21 or 22, 1971 – September 30, 2011) was an American imam who was killed in 2011 in Yemen by a U.S. government drone stri ...
of AQAP was behind the bombing attempts, and that the bombs were most likely constructed by AQAP's main explosives expert, Ibrahim Hassan al-Asiri. The bombs were probably designed to detonate mid-air, with the intention of destroying both planes over Chicago or another city in the U.S. Each bomb had already been transported on passenger and
cargo plane A cargo aircraft (also known as freight aircraft, freighter, airlifter or cargo jet) is a fixed-wing aircraft that is designed or converted for the carriage of cargo rather than passengers. Such aircraft usually do not incorporate passenger a ...
s at the time of discovery.


Locating the bombs

On October 28, Saudi Arabia's Deputy Interior Minister in charge of Counter-terrorism, Prince
Mohammed bin Nayef Muhammad bin Nayef Al Saud ( ar, محمد بن نايف آل سعود, translit=Muḥammad bin Nāyif Āl Su‘ūd; born 30 August 1959), colloquially known by his initials MBN or MbN, is a former Saudi Arabian politician and businessman who serv ...
, called
John Brennan John Brennan may refer to: Public officials * Jack Brennan (born 1937), U.S. Marine officer and aide of Richard Nixon * John Brennan (CIA officer) (born 1955), former CIA Director * John P. Brennan (1864–1943), Democratic politician in the U. ...
, the U.S. Deputy National Security Advisor for Homeland Security and Counterterrorism and former
Central Intelligence Agency The Central Intelligence Agency (CIA ), known informally as the Agency and historically as the Company, is a civilian foreign intelligence service of the federal government of the United States, officially tasked with gathering, processing, ...
station chief in
Riyadh Riyadh (, ar, الرياض, 'ar-Riyāḍ, lit.: 'The Gardens' Najdi pronunciation: ), formerly known as Hajr al-Yamamah, is the capital and largest city of Saudi Arabia. It is also the capital of the Riyadh Province and the centre of the R ...
to warn him of the plot. The Saudis provided the U.S. and Germany with the
tracking number Tracking numbers are numbers assigned to packages when they are shipped. Tracking numbers are useful for knowing the location of time sensitive deliveries. It is a unique ID number or code assigned to a package or parcel. The tracking number is typ ...
s and destinations of the packages, and told them to look for
toner cartridge A toner cartridge, also called laser toner, is the consumable component of a laser printer. Toner cartridges contain toner powder, a fine, dry mixture of plastic particles, carbon, and black or other coloring agents that make the actual image o ...
s. The packages had been dropped off by a woman at FedEx and UPS offices in
Sana'a Sanaa ( ar, صَنْعَاء, ' , Yemeni Arabic: ; Old South Arabian: 𐩮𐩬𐩲𐩥 ''Ṣnʿw''), also spelled Sana'a or Sana, is the capital and largest city in Yemen and the centre of Sanaa Governorate. The city is not part of the Governo ...
, Yemen, on October 27, and were scheduled to arrive in Chicago on November 1. Saudi Arabia had reportedly learned of the plot through
Jabir Jubran Al Fayfi Jabir Jubran Al Fayfi (also Jabir Jubran Al Fayfi and Jaber Jabran Ali Al-Fayfee and Jaber Al-Fifi; born in 1975 in Ta'if, Saudi Arabia) is a citizen of Saudi Arabia who was held in extrajudicial detention in the United States Guantánamo Bay det ...
, a former
Guantánamo Bay detention camp The Guantanamo Bay detention camp ( es, Centro de detención de la bahía de Guantánamo) is a United States military prison located within Guantanamo Bay Naval Base, also referred to as Guantánamo, GTMO, and Gitmo (), on the coast of Guant ...
inmate who had been handed over to Saudi Arabia for
rehabilitation Rehabilitation or Rehab may refer to: Health * Rehabilitation (neuropsychology), therapy to regain or improve neurocognitive function that has been lost or diminished * Rehabilitation (wildlife), treatment of injured wildlife so they can be retur ...
in 2006. Al-Faifi had escaped in 2008 and re-joined AQAP, but turned himself in to Saudi authorities on October 16, 2010, and provided them with information about the plot. Yemeni officials suspected al-Faifi had not actually rejoined al-Qaeda, but had become a
double agent In the field of counterintelligence, a double agent is an employee of a secret intelligence service for one country, whose primary purpose is to spy on a target organization of another country, but who is now spying on their own country's organi ...
. They said his tip appeared to be based on more recent information than al-Faifi could access, and that the information must have come from a Saudi double agent in AQAP.


England

The first package left Sana'a, Yemen, on a passenger plane, flying to
Dubai, United Arab Emirates Dubai (, ; ar, دبي, translit=Dubayy, , ) is the most populous city in the United Arab Emirates (UAE) and the capital of the Emirate of Dubai, the most populated of the 7 emirates of the United Arab Emirates.The Government and Politics of ...
. It then was next placed on a UPS cargo plane to
Cologne/Bonn Airport Cologne Bonn Airport (german: Flughafen Köln/Bonn 'Konrad Adenauer') is the international airport of Germany's fourth-largest city Cologne, and also serves Bonn, former capital of West Germany. With around 12.4 million passengers passing throu ...
in Germany, where
UPS Airlines UPS Airlines is a major American cargo airline based in Louisville, Kentucky. The second-largest cargo airline worldwide ( in terms of freight volume flown), UPS Airlines flies to 815 destinations worldwide. A wholly owned subsidiary of UPS (Unit ...
has a hub. There, it was placed on UPS Flight 232, a
Boeing 767 The Boeing 767 is an American wide-body aircraft developed and manufactured by Boeing Commercial Airplanes. The aircraft was launched as the 7X7 program on July 14, 1978, the prototype first flew on September 26, 1981, and it was certified on ...
cargo plane bound for
East Midlands Airport East Midlands Airport is an international airport in the East Midlands of England, close to Castle Donington in northwestern Leicestershire, between Loughborough (), Derby () and Nottingham (); Leicester is () to the south and Lincoln () nort ...
in
Leicestershire Leicestershire ( ; postal abbreviation Leics.) is a ceremonial and non-metropolitan county in the East Midlands, England. The county borders Nottinghamshire to the north, Lincolnshire to the north-east, Rutland to the east, Northamptonshire t ...
. From there, it was to fly to
O'Hare International Airport Chicago O'Hare International Airport , sometimes referred to as, Chicago O'Hare, or simply O'Hare, is the main international airport serving Chicago, Illinois, located on the city's Northwest Side, approximately northwest of the Chicago Loop, ...
in Chicago via
Philadelphia Philadelphia, often called Philly, is the largest city in the Commonwealth of Pennsylvania, the sixth-largest city in the U.S., the second-largest city in both the Northeast megalopolis and Mid-Atlantic regions after New York City. Sinc ...
,
Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...
. The UPS plane landed at East Midlands Airport at 2:13 a.m. local time on October 29. British military and police explosives experts had been alerted to the existence of the bomb, and conducted an initial search of the plane's cargo in the airport's UPS parcels distribution depot. Officers from
Scotland Yard Scotland Yard (officially New Scotland Yard) is the headquarters of the Metropolitan Police, the territorial police force responsible for policing Greater London's 32 boroughs, but not the City of London, the square mile that forms London's ...
Counter Terrorism Command joined them. U.S. authorities provided the tracking number of the package, and the computer printer inside was scanned with explosives detection equipment, x-rayed, subjected to chemical swabs, and sniffed by
sniffer dog A detection dog or sniffer dog is a dog that is trained to use its senses to detect substances such as explosives, illegal drugs, wildlife scat, currency, blood, and contraband electronics such as illicit mobile phones. The sense most used by ...
s. No explosives were detected. Removing the suspect package for further examination, the authorities allowed the UPS plane to proceed to Philadelphia at 4:20a.m. local time. At 10:00 a.m. the British gave the all-clear, and removed safety cordons from the airport. Later forensic examination indicated that the bomb was inadvertently disarmed by Scotland Yard explosive officers, who took the printer cartridge out of the printer during their examination that morning, around three hours before the bomb was due to explode at 10:30a.m. (5:30a.m. Eastern time). The officers were unaware when they took the device apart that it was a bomb. British officials continued to believe that there were no explosives in the package, but U.S. authorities insisted that the package be inspected again. British authorities then consulted with officials in Dubai, who had discovered a similar bomb in a printer cartridge, and
MI6 The Secret Intelligence Service (SIS), commonly known as MI6 ( Military Intelligence, Section 6), is the foreign intelligence service of the United Kingdom, tasked mainly with the covert overseas collection and analysis of human intelligenc ...
spoke with the Saudi tipster. Scotland Yard explosives officers flew the printer and the cartridge in a police helicopter to the
Defence Science and Technology Laboratory The Defence Science and Technology Laboratory (Dstl) is an executive agency of the Ministry of Defence (United Kingdom), Ministry of Defence of the United Kingdom. Its stated purpose is "to maximise the impact of science and technology for the ...
at
Fort Halstead Fort Halstead was a research site of Dstl, an executive agency of the UK Ministry of Defence. It is situated on the crest of the Kentish North Downs, overlooking the town of Sevenoaks, southeast of London. Originally constructed in 1892 as part ...
near London, and discovered the bomb at around 2:00 p.m.


Dubai

Qatar Airways Qatar Airways Company Q.C.S.C. ( ar, القطرية, ''al-Qaṭariya''), operating as Qatar Airways, is the state-owned flag carrier airline of Qatar. Headquartered in the Qatar Airways Tower in Doha, the airline operates a hub-and-spoke netw ...
said that the package with the second bomb had been carried on two of its commercial passenger jets. The first was a 144-seat
Airbus A320 The Airbus A320 family is a series of Narrow-body aircraft, narrow-body airliners developed and produced by Airbus. The A320 was launched in March 1984, Maiden flight, first flew on 22 February 1987, and was introduced in April 1988 by Air F ...
that flew from Sana'a, Yemen, to
Doha International Airport Doha International Airport ( ar, مطار الدوحة الدولي) is an airport in Doha, Qatar. It was Qatar's commercial international airport until Hamad International Airport opened on 27 May 2014. While all scheduled commercial traffic ...
in
Doha Doha ( ar, الدوحة, ad-Dawḥa or ''ad-Dōḥa'') is the capital city and main financial hub of Qatar. Located on the Persian Gulf coast in the east of the country, north of Al Wakrah and south of Al Khor, it is home to most of the coun ...
,
Qatar Qatar (, ; ar, قطر, Qaṭar ; local vernacular pronunciation: ), officially the State of Qatar,) is a country in Western Asia. It occupies the Qatar Peninsula on the northeastern coast of the Arabian Peninsula in the Middle East; it sh ...
, on October 28. The second passenger plane was an
Airbus A321 The Airbus A321 is a member of the Airbus A320 family of short to medium range, narrow-body, commercial passenger twin engine jet airliners; it carries 185 to 236 passengers. It has a stretched fuselage which was the first derivative of the ba ...
or
Boeing 777 The Boeing 777, commonly referred to as the Triple Seven, is an American long-range wide-body airliner developed and manufactured by Boeing Commercial Airplanes. It is the world's largest twinjet. The 777 was designed to bridge the gap bet ...
flying from Doha to Dubai. The seating capacity of the second plane was anywhere from 144 to 335, depending on which aircraft was used. The second package was discovered on a
FedEx Express FedEx Express, a subsidiary of FedEx Corporation, is a major American cargo airline based in Memphis, Tennessee, United States. As of 2020, it is one of the world's largest airlines in terms of fleet size and freight tons flown. It is the name ...
plane at the FedEx depot at the Dubai airport at around 9:00 a.m. GMT on October 29. The plane was scheduled to fly to
Newark Liberty International Airport Newark Liberty International Airport , originally Newark Metropolitan Airport and later Newark International Airport, is an international airport straddling the boundary between the cities of Newark in Essex County and Elizabeth in Union Count ...
in
Newark, New Jersey Newark ( , ) is the most populous city in the U.S. state of New Jersey and the seat of Essex County and the second largest city within the New York metropolitan area. One package was addressed to a church in Lakeview that had once been the meeting place of Congregation Or Chadash, and the other had been sent to a closed synagogue in East Rogers Park.
Simon Calder Simon Calder (born 25 December 1955) is a freelance UK travel journalist and broadcaster. He works for various news and travel publications as well as being travel correspondent for ''The Independent''. Biography In 1962, Calder joined the Wo ...
observed in ''
The Independent ''The Independent'' is a British online newspaper. It was established in 1986 as a national morning printed paper. Nicknamed the ''Indy'', it began as a broadsheet and changed to tabloid format in 2003. The last printed edition was publis ...
'':
Yemen is not a natural provider of office supplies to organisations such as synagogues in the Chicago area. Therefore, you might fondly imagine that the staff in the parcels offices in the capital, Sana'a, might have checked the despatches more closely before allowing them anywhere near an aircraft, cargo or passengers. But they didn't.
The packages were addressed to specific people at the addresses—the names used were those of historical figures from the
Spanish Inquisition The Tribunal of the Holy Office of the Inquisition ( es, Tribunal del Santo Oficio de la Inquisición), commonly known as the Spanish Inquisition ( es, Inquisición española), was established in 1478 by the Catholic Monarchs, King Ferdinand ...
and the
Crusades The Crusades were a series of religious wars initiated, supported, and sometimes directed by the Latin Church in the medieval period. The best known of these Crusades are those to the Holy Land in the period between 1095 and 1291 that were in ...
. One package was addressed to
Diego Deza Diego de Deza y Tavera (1444 – 9 June 1523) was a theologian and inquisitor of Spain. He was one of the more notable figures in the Spanish Inquisition, and succeeded Tomás de Torquemada to the post of Grand Inquisitor. Early life Deza was ...
, a
Grand Inquisitor Grand Inquisitor ( la, Inquisitor Generalis, literally ''Inquisitor General'' or ''General Inquisitor'') was the lead official of the Inquisition. The title usually refers to the chief inquisitor of the Spanish Inquisition, even after the reuni ...
during the Spanish Inquisition. The other was addressed to Reynald Krak (
Raynald of Châtillon Raynald of Châtillon (french: Renaud; 11254 July 1187), also known as Reynald or Reginald, was a Crusader knight of French origin but also Prince of Antioch from 1153 to 1160 or 1161, and Lord of Oultrejordain from 1175 until his death. He wa ...
), a French crusader who was beheaded in 1187 by Sultan
Saladin Yusuf ibn Ayyub ibn Shadi () ( – 4 March 1193), commonly known by the epithet Saladin,, ; ku, سه‌لاحه‌دین, ; was the founder of the Ayyubid dynasty. Hailing from an ethnic Kurdish family, he was the first of both Egypt and ...
of the 12th-century Muslim
Ayyubid dynasty The Ayyubid dynasty ( ar, الأيوبيون '; ) was the founding dynasty of the medieval Sultan of Egypt, Sultanate of Egypt established by Saladin in 1171, following his abolition of the Fatimid Caliphate, Fatimid Caliphate of Egypt. A Sunni ...
. Brian Fishman of the
New America Foundation New America, formerly the New America Foundation, is a think tank in the United States founded in 1999. It focuses on a range of public policy issues, including national security studies, technology, asset building, health, gender, energy, educa ...
said the choice of names was an
inside joke An in-joke, also known as an inside joke or a private joke, is a joke whose humour is understandable only to members of an ingroup; that is, people who are ''in'' a particular social group, occupation, or other community of shared interest. It i ...
. "The jihadis ... narrative is that non-Muslims are always on the attack, always trying to take Muslim lands. The jihadis like the narrative, because it justifies violence, since they claim that they’re only defending Islam," he said. He felt the destination of Chicago may have had meaning as well, as the latest edition of ''
Inspire The following is a thematic list of European Union directives: For a date based list, see the :European Union directives by number Numbering From 1 January 1992 to 31 December 2014, numbers assigned by the General Secretariat of the Council ...
'' (AQAP's online magazine) may have had a photo of Chicago on its cover. Fishman points out that this parallels Osama bin Laden posing in front of a map of East Africa shortly before the
1998 United States embassy bombings The 1998 United States embassy bombings were attacks that occurred on August 7, 1998. More than 200 people were killed in nearly simultaneous truck bomb explosions in two East African cities, one at the United States Embassy in Dar es Salaam, ...
. U.S. and UK officials believed the planes, and not the addresses on the ground, were the targets.


Contents

Each package contained a
Hewlett-Packard The Hewlett-Packard Company, commonly shortened to Hewlett-Packard ( ) or HP, was an American multinational information technology company headquartered in Palo Alto, California. HP developed and provided a wide variety of hardware components ...
HP LaserJet LaserJet as a brand name identifies the line of laser printers marketed by the American computer company Hewlett-Packard (HP). The HP LaserJet was the first popular desktop laser printer. Canon supplies both mechanisms and cartridges for most HP ...
P2055 desktop
laser printer Laser printing is an electrostatic digital printing process. It produces high-quality text and graphics (and moderate-quality photographs) by repeatedly passing a laser beam back and forth over a negatively-charged cylinder called a "drum" to d ...
. Inside each printer's toner cartridge was a sophisticated bomb. The cartridges were filled with
pentaerythritol tetranitrate Pentaerythritol tetranitrate (PETN), also known as PENT, PENTA, (ПЕНТА, primarily in Russian) TEN, corpent, or penthrite (or, rarely and primarily in German, as nitropenta), is an explosive material. It is the nitrate ester of pentaerythri ...
(PETN), an odorless military-grade white powder plastic explosive. The bomb found in the UK contained of PETN, five times the amount needed to destroy a house. The one found in Dubai contained of PETN. Hans Michels, professor of
safety engineering Safety engineering is an engineering discipline which assures that engineered systems provide acceptable levels of safety. It is strongly related to industrial engineering/systems engineering, and the subset system safety engineering. Safety en ...
at
University College London , mottoeng = Let all come who by merit deserve the most reward , established = , type = Public research university , endowment = £143 million (2020) , budget = ...
, said that just 6 grams (0.2 oz) of PETN—around 2% of what was used—would be enough to blow a hole in a metal plate twice the thickness of an aircraft's skin. The PETN was of "an extremely high concentration", according to British criminal investigators. German investigators felt the device's construction would require "logistics that only state facilities should have access to". The package intercepted in Dubai was shipped in a cardboard box that also contained souvenirs, clothes, compact discs, and several books written in English. The bomb found in the UK was sent to the
Defence Science and Technology Laboratory The Defence Science and Technology Laboratory (Dstl) is an executive agency of the Ministry of Defence (United Kingdom), Ministry of Defence of the United Kingdom. Its stated purpose is "to maximise the impact of science and technology for the ...
at Fort Halstead in
Kent Kent is a county in South East England and one of the home counties. It borders Greater London to the north-west, Surrey to the west and East Sussex to the south-west, and Essex to the north across the estuary of the River Thames; it faces ...
, and American technicians in the United Arab Emirates examined the other bomb.


Detonation

;Detonators Each bomb was triggered by a cell phone alarm, which activated a phone battery to send power through a thin wire filament inside a syringe containing of
lead azide Lead(II) azide is an inorganic compound. More so than other azides, is explosive. It is used in detonators to initiate secondary explosives. In a commercially usable form, it is a white to buff powder. Preparation and handling Lead(II) azide is ...
, a powerful chemical initiator. Once hot, the lead azide would ignite, causing the PETN to detonate. The device's wiring was set up so that all the printer components would appear to be correct if the device was x-rayed. Features not relevant to the alarm timer function, such as the
display Display may refer to: Technology * Display device, output device for presenting information, including: ** Cathode ray tube, video display that provides a quality picture, but can be very heavy and deep ** Electronic visual display, output devi ...
, had been removed to extend the battery life. The device was reported to carry markings resembling a
Bird Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweigh ...
D736 cell phone. There had initially been speculation that the bombs might be detonated by receipt of a telephone call or
text message Text messaging, or texting, is the act of composing and sending electronic messages, typically consisting of alphabetic and numeric characters, between two or more users of mobile devices, desktops/ laptops, or another type of compatible comput ...
, but the
SIM card file:SIM-Karte von Telefónica O2 Europe - Standard und Micro.jpg, A typical SIM card (mini-SIM with micro-SIM cutout) file:Sim card.png, A smart card taken from a Global System for Mobile Communications, GSM mobile phone file:Simkarte NFC SecureE ...
s necessary to receive calls had been removed, rendering the phones unable to receive any communication, but increasing battery life. U.S. officials said that the bombs were set to go off shortly before the planes landed. ;Mid-air capability British Prime Minister
David Cameron David William Donald Cameron (born 9 October 1966) is a British former politician who served as Prime Minister of the United Kingdom from 2010 to 2016 and Leader of the Conservative Party from 2005 to 2016. He previously served as Leader o ...
and officials in the U.S. believe that the bombs were designed to detonate as the planes were in flight, destroying the planes in mid-air. Britain's
Home Secretary The secretary of state for the Home Department, otherwise known as the home secretary, is a senior minister of the Crown in the Government of the United Kingdom. The home secretary leads the Home Office, and is responsible for all national ...
,
Theresa May Theresa Mary May, Lady May (; née Brasier; born 1 October 1956) is a British politician who served as Prime Minister of the United Kingdom and Leader of the Conservative Party from 2016 to 2019. She previously served in David Cameron's cab ...
, said British investigators concluded the UK device was a functional bomb powerful enough to bring down the aircraft, causing a "
supersonic Supersonic speed is the speed of an object that exceeds the speed of sound ( Mach 1). For objects traveling in dry air of a temperature of 20 °C (68 °F) at sea level, this speed is approximately . Speeds greater than five times ...
blast". Brennan agreed with this assessment. ;Cargo vs. passenger planes Brennan said it was not clear whether those attempting the bombing knew whether the packages would be carried on cargo or passenger planes. Since Yemen does not have any regularly scheduled cargo flights, the perpetrators likely knew the bombs would end up on passenger planes. Most of the air freight arriving in the U.S. is on passenger flights. James Halstead, a consultant with Aviation Economics, said "In a worst case, it would stop world trade. UPS and FedEx would probably go bust. We'd have a full-disaster scenario."


Detection

Like many explosives, PETN has a low
vapor pressure Vapor pressure (or vapour pressure in English-speaking countries other than the US; see spelling differences) or equilibrium vapor pressure is defined as the pressure exerted by a vapor in thermodynamic equilibrium with its condensed phases ...
. This makes it difficult to detect, because the chemical releases little vapor into the surrounding air. Frank Cilluffo, the director of the Homeland Security Policy Institute at
George Washington University , mottoeng = "God is Our Trust" , established = , type = Private federally chartered research university , academic_affiliations = , endowment = $2.8 billion (2022) , preside ...
, said: "It is evident that had we not had the intelligence, our security countermeasures would not have identified these improvised explosive devices." Qatar Airways said that "the explosives discovered were of a sophisticated nature whereby they could not be detected by x-ray screening or trained
sniffer dog A detection dog or sniffer dog is a dog that is trained to use its senses to detect substances such as explosives, illegal drugs, wildlife scat, currency, blood, and contraband electronics such as illicit mobile phones. The sense most used by ...
s", and were only discovered after intelligence services received a tip. Both packages were x-rayed in Sana'a, and the one in Dubai was x-rayed there, without the bombs being spotted. A spokesman for the German Federal Criminal Police Office, where the Dubai x-rays were reviewed, stated they would not have detected the bomb. When X-rayed, PETN would resemble the cartridge's powdered ink, and the timers resembled the normal printer cartridge electronics.


Preparation

Previously, in mid-September 2010, U.S. intelligence intercepted three packages linked to AQAP that had been shipped from Yemen to Chicago. They searched the packages, but did not find any explosives. One of the packages included the 1860 novel ''
The Mill on the Floss ''The Mill on the Floss'' is a novel by George Eliot, first published in three volumes in 1860 by William Blackwood. The first American edition was published by Harper & Brothers, Publishers, New York. Plot summary Spanning a period of 10 to ...
'', by English novelist
George Eliot Mary Ann Evans (22 November 1819 – 22 December 1880; alternatively Mary Anne or Marian), known by her pen name George Eliot, was an English novelist, poet, journalist, translator, and one of the leading writers of the Victorian era. She wro ...
, a woman who wrote under an
assumed identity A pseudonym (; ) or alias () is a fictitious name that a person or group assumes for a particular purpose, which differs from their original or true name (orthonym). This also differs from a new name that entirely or legally replaces an individua ...
. The packages, addressed to "random addresses" in Chicago, were not confiscated. Authorities surmised, after the October incident, that the September parcels may have been a test run. The September packages may have been used as a way to test the accuracy of tracking information available online from carriers such as UPS, information that could potentially be used to time the detonation of the October bombs.


Responsibility


Al-Qaeda in the Arabian Peninsula

On November 5, 2010, al-Qaeda in the Arabian Peninsula (AQAP) took responsibility for the plot, posting on a number of radical Islamist websites monitored by the
SITE Intelligence Group SITE Intelligence Group is an American non-governmental organization that tracks online activity of white supremacist and jihadist organizations. It is based in Bethesda, Maryland. From 2002 to 2008, SITE Intelligence Group was known as the Search ...
and the
NEFA Foundation The Nine Eleven Finding Answers Foundation (NEFA Foundation) was a tax exempt, 501(c)(3) organization, nonprofit, charitable organization engaged in terrorism research and analysis. Although NEFA lists a New York address for its headquarters on ...
. "We will continue to strike blows against American interests and the interest of America's allies," said the perpetrators. "Since both operations were successful, we intend to spread the idea to our ''
mujahedeen ''Mujahideen'', or ''Mujahidin'' ( ar, مُجَاهِدِين, mujāhidīn), is the plural form of ''mujahid'' ( ar, مجاهد, mujāhid, strugglers or strivers or justice, right conduct, Godly rule, etc. doers of jihād), an Arabic term th ...
'' brothers in the world and enlarge the circle of its application to include civilian aircraft in the West as well as cargo aircraft."
U.S. Secretary of Homeland Security The United States secretary of homeland security is the head of the United States Department of Homeland Security, the federal department tasked with ensuring public safety in the United States. The secretary is a member of the Cabinet of the U ...
,
Janet Napolitano Janet Ann Napolitano (; born November 29, 1957) is an American politician, lawyer, and university administrator who served as the 21st governor of Arizona from 2003 to 2009 and third United States secretary of homeland security from 2009 to 20 ...
, British Home Secretary Theresa May, and Dubai police had noted that these types of explosives are "hallmarks" of AQAP, and had suspected they were behind the attack. AQAP also claimed responsibility for the crash of
UPS Airlines Flight 6 UPS Airlines Flight 6 was a cargo flight operated by UPS Airlines. On September 3, 2010, the Boeing 747-400F flying the route between Dubai, United Arab Emirates, and Cologne, Germany, developed an in-flight fire, which caused the aircraft to c ...
, a
Boeing 747-400 The Boeing 747-400 is a large, long-range wide-body airliner produced by Boeing Commercial Airplanes, an advanced variant of the initial Boeing 747. The "Advanced Series 300" was announced at the September 1984 Farnborough Airshow, targeting ...
cargo plane that crashed in Dubai on September 3. U.S. and United Arab Emirates investigators had said they had not found any evidence of an explosion or terrorist involvement in that incident, and were skeptical about the claim. They suggested it was probably an attempt by AQAP to bolster its image. On September 10, the FBI and the U.S. Department of Homeland Security confirmed that the AQAP was not involved in the September 3 crash. On November 21, AQAP provided a detailed account of the plot, including photos of the printer bombs, in its English-language magazine ''Inspire''. The article said that the mission was a success, because it caused a huge amount of disruption to the world's air traffic and security systems at the very low cost of $4,200.


Anwar al-Awlaki

''
The Guardian ''The Guardian'' is a British daily newspaper. It was founded in 1821 as ''The Manchester Guardian'', and changed its name in 1959. Along with its sister papers ''The Observer'' and ''The Guardian Weekly'', ''The Guardian'' is part of the Gu ...
'' reported that unnamed U.S. counter-terrorism officials suspected that Anwar al-Awlaki of AQAP was behind the plot. "Anybody associated with al-Qaeda in the Arabian Peninsula is a subject of concern," Brennan said. ''
The New York Times ''The New York Times'' (''the Times'', ''NYT'', or the Gray Lady) is a daily newspaper based in New York City with a worldwide readership reported in 2020 to comprise a declining 840,000 paid print subscribers, and a growing 6 million paid ...
'' reported that "some analysts believe the ttempted Chicago bombingmay also be linked to Mr. Awlaki". ''
The Daily Telegraph ''The Daily Telegraph'', known online and elsewhere as ''The Telegraph'', is a national British daily broadsheet newspaper published in London by Telegraph Media Group and distributed across the United Kingdom and internationally. It was fo ...
'' reported that "U.S. and British security officials believe" al-Awlaki was behind the attack. U.S. Ambassador to Yemen
Gerald Feierstein Gerald Michael Feierstein (born 1951) was the United States Ambassador to Yemen under Barack Obama, President Barack Obama from September 2010 to October 2013. Since December 2013, Feierstein has served as Principal Deputy Assistant Secretary of St ...
said "al-Awlaki was behind the two ... bombs." Al-Awlaki had also been linked to the 2009 Fort Hood shooting, the failed 2009 Northwest Airlines Flight 253, Christmas Day bombing, the failed 2010 Times Square car bombing attempt, and other terrorist incidents, and had been placed by U.S. President Barack Obama on a targeted killing list. The American Civil Liberties Union and the Center for Constitutional Rights sued in an attempt to prevent his death. Al-Awlaki was killed in a targeted killing in September 2011.


Ibrahim Hassan al-Asiri

US officials suggested that Ibrahim Hassan al-Asiri, the main explosives expert for Al-Qaeda in the Arabian Peninsula, likely built the bombs. He has a history of creating explosive devices using PETN. Brennan said that the evidence pointed to the bombs having been built by the same person who made the device worn by Umar Farouk Abdulmutallab, who attempted to detonate a bomb on a plane on Christmas Day 2009. One of the detonators was almost identical to the one used in that attack. Al-Asiri had previously recruited his younger brother Abdullah as a suicide bomber, hiding a PETN bomb in his rectum in an attempt on the life of security chief
Mohammed bin Nayef Muhammad bin Nayef Al Saud ( ar, محمد بن نايف آل سعود, translit=Muḥammad bin Nāyif Āl Su‘ūd; born 30 August 1959), colloquially known by his initials MBN or MbN, is a former Saudi Arabian politician and businessman who serv ...
. Abdullah died in the attempt, but Nayef survived with minor injuries.


Released suspect

On October 30, 2010, a 22-year-old female Yemeni engineering student was arrested in Sana'a, Yemen, on suspicion of having shipped the packages. Her mother was also arrested. Both were released the following day when it was determined that the woman's identification had been stolen.


Responses


Political

Obama and his administration reacted quickly to the incident, making public statements that it was a "credible threat". A ''New York Times'' opinion piece suggested that the quick response would be well received politically for the 2010 United States elections, 2010 U.S. elections.


Security

Security alerts were triggered in the U.S., the UK, and the Middle East. An Emirates (airline), Emirates flight containing a package in transit from Yemen to the U.S. was intercepted by Canadian CF-18 and U.S. F-15 fighter jets and escorted to New York as a precaution. Two FedEx planes containing packages originating from Yemen were also searched. The UK, the U.S., Germany, France, and Belgium stopped accepting freight package cargo shipments from Yemen, and the Netherlands and Canada suspended all cargo flights from Yemen. Germany suspended passenger flights from Yemen until November 15. Britain and the U.S. stopped accepting air cargo from Somalia, and prohibited passengers from carrying certain printer cartridges on flights. The Swedish government recommended that its citizens not travel to Yemen until further notice. FedEx, UPS, and Mideast-based shipper Aramex suspended their shipping operations in Yemen. Emirates Airline and Air Arabia stopped carrying cargo from Yemen, and Abu Dhabi-based Etihad Airways stopped carrying cargo from Yemen and Somalia. The U.S. increased air passenger screenings and initiated a more detailed passenger search procedure. American Civil Liberties Union counsel Chris Calabrese said that "Americans now must choose between a virtual strip search and a grope."


Al-Awlaki

On November 2, four days after the bombs were discovered, al-Awlaki was charged ''trial in absentia, in absentia'' in Sana'a with plotting to kill foreigners and being an al-Qaeda member in an unrelated matter. On November 6, Yemeni Judge Mohsen Alwan ordered that al-Awlaki be caught dead or alive.


See also

*List of accidents and incidents involving commercial aircraft *List of terrorist incidents in 2010


References


External links


After Thwarted Bomb Plot, US Military Operations in Yemen Could Intensify
– video report by ''Democracy Now!'' {{DEFAULTSORT:Transatlantic aircraft bomb plot, 2010 Terrorist incidents in Asia in 2010 2010 in Yemen 2010 in the United Arab Emirates 2010 in the United Kingdom Al-Qaeda activities Al-Qaeda attacks Anwar al-Awlaki Failed airliner bombings 2010 in England Terrorist incidents in the United States in 2010 East Midlands Airport Terrorist incidents in the United Kingdom in 2010 October 2010 events Airline occurrences