MITRE: Wikis


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The MITRE Corporation
Type Not-for-profit corporation
Founded 1958
Headquarters Bedford, MA and McLean, VA, USA
Key people Alfred Grasso
(President) & (CEO)
Revenue $1,235,000,000[1]
Employees 7006[1]
The MITRE Center at MITRE's campus in Bedford

The MITRE Corporation[A] is a not-for-profit organization based in Bedford, Massachusetts and McLean, Virginia. It manages Federally Funded Research and Development Centers (FFRDCs) supporting the Department of Defense, the Federal Aviation Administration (FAA), the Internal Revenue Service (IRS), and the Department of Veterans Affairs. On March 5, 2009, MITRE was awarded one of two FFRDCs supporting the Department of Homeland Security as the operator of the Systems Engineering and Development Institute (SEDI).



Under the leadership of C. W. Halligan, MITRE was formed in 1958 to provide overall direction to the companies and workers involved in the US Air Force SAGE project. Most of the early employees transferred to MITRE from the Lincoln Laboratory at the Massachusetts Institute of Technology (MIT), where SAGE was being developed. In April 1959, a site was purchased in Bedford, Massachusetts near Hanscom Air Force Base, to develop a new MITRE laboratory, which MITRE occupied in September 1959.[2]

After the SAGE project ended in the early 1960s, the FAA selected MITRE to develop a similar system to provide automated air traffic control. The result of the project formed the National Airspace System (NAS), that is still in use today. To support the NAS project and continual operations with the US Department of Defense at the Pentagon, MITRE opened a second "main office" in McLean, Virginia.

Through the 1960s, MITRE developed and supported military Command, Control, Communications and Intelligence (C3I) projects, including the Airborne Warning and Control System (AWACS). MITRE also worked on a number of projects with ARPA, including precursers to the Advanced Research Projects Agency Network ARPANET. Since the 1960s, MITRE has developed or supported most DoD early warning and communications projects, including the Joint Tactical Information Distribution System JTIDS and the Joint Surveillance and Target Attack Radar System JSTARS. Since 1998, MITRE has helped to modernize the US Internal Revenue Service.

During the 1980s, the German hacker Markus Hess used an un-secured MITRE Tymnet connection as an entry point for intrusions into US Department of Defense, Department of Energy, and NASA computer networks. [3]

On January 29, 1996, MITRE divided into two entities: The MITRE Corporation to focus on its FFRDCs for DoD and FAA, and a new company, named Mitretek Systems (now called Noblis) to assume non-FFRDC work for other US Government agencies.[4]



Centers and research program

MITRE is organized as follows:[5]

  • The Command, Control, Communications, and Intelligence (C3I) FFRDC is sponsored by the Department of Defense and focuses on national security issues.
  • The Center for Advanced Aviation System Development (CAASD) FFRDC is sponsored by the Federal Aviation Administration and focuses on air traffic management.
  • The Center for Enterprise Modernization (CEM) FFRDC is co-sponsored by the Internal Revenue Service and the Department of Veterans Affairs and focuses on modernization and healthcare initiatives.
  • The Homeland Security Center (HLSC) FFRDC supports the Department of Homeland Security and focuses on protection from terrorist threats, immigration and commerce, and recovery from national emergencies.
  • Internal research and development explores new technologies and ways to apply existing tools and technologies.


MITRE operates branch offices around the world, most co-located with military bases.[1]

Corporate governance

Chief executive officers

  • 1958–1966: C.W. Halligan[6]
  • 1966-1969: Dr. John L. McLucas
  • 1969-1986: Robert R. Everett
  • 1986-1990: Charles A. Zraket[7]
  • 1990-1996: Barry M. Horowitz
  • 1996-2000: Victor A. DeMarines
  • 2000-2006: Martin C. Faga
  • 2006-Present: Alfred Grasso

Board of Trustees

Awards, Honors, and Accomplishments

Over the years, MITRE has received awards for corporate achievements as well as for achievements of its scientists, researchers, and engineers.[9] A sampling includes

  • In 2009, MITRE’s Center for Advanced Aviation System Development's (CAASD) Universal Access Transceiver (UAT) Technology Design Team received the Federal Aviation Administration's (FAA’s) 2008 Excellence in Aviation Research Award for research contributions that have improved the safety and efficiency of the national airspace system.[10]
  • In July 2008, MITRE was awarded the Air Force Association’s Theodore Von Karman award for "the most outstanding contribution in the field of engineering and science."[12]
  • MITRE was included on annual lists of three magazines
    • Fortune included MITRE in its "100 Best Companies to Work For in 2009" for the eighth consecutive year[13]
    • Computerworld included MITRE in its "100 Best Places to Work in IT 2008" list, for the fourth consecutive year.[14]
    • Aviation Week ranked MITRE among the top 43 companies for aerospace and defense professionals in its 2009 Workforce Study[15]
  • Robert R. Everett was named winner of the 2008 Eugene G. Fubini Award.

MITRE employees have created 24 exploitable technologies,[16] generated 26 packages of downloadable software,[17] and been granted 67 US patents.[18]

External links


  • A^  The Wikipedia:Manual of Style (trademarks) dictates that the corporate name be spelled "Mitre" even though the corporation spells it "MITRE". Despite the spelling, the name is not an acronym.[19]


  1. ^ a b c "Annual Report 2008: A Year at MITRE". The MITRE Corporation. 2009. Retrieved 2009-04-23.  
  2. ^ Redmond, Kent C.; Thomas M. Smith (2000). From Whirlwind to MITRE: The R&D Story of The SAGE Air Defense Computer. Cambridge, Massachusetts: Massachusetts Institute of Technology. ISBN 0-262-18201-7.  
  3. ^ Stoll, Clifford (1989-09-26). The Cuckoo's Egg: Tracking a Spy Through the Maze of Computer Espionage. Doubleday. ISBN 978-0385249461.  
  4. ^ Day, Kathleen (1996-02-23). "The Think Tank That Went Out for a Spin; Mitre Splits in Two to Answer Concerns That It Has an Unfair Edge in Government Work". The Washington Post.  
  5. ^ "The MITRE Corporation: A National Resource". The MITRE Corporation. 2009. Retrieved 2009-04-25.  
  6. ^ Shearman, Jennifer (2008). The MITRE Corporation: Fifty Years of Service in the Public Interest. The MITRE Corporation.  
  7. ^ Oral history interview with Charles A. Zraket, Charles Babbage Institute, University of Minnesota
  8. ^ "MITRE Board of Trustees". The MITRE Corporation. 2009-07-07. Retrieved 2009-08-02.  
  9. ^ "MITRE Awards and Recognition". MITRE Corporation. 2009-04-09. Retrieved 2009-04-20.  
  10. ^ van Leeuwen, Marcel (2009-01-09). "FAA Names "Excellence in Aviation Research Award" Winners". (Aviation News). Retrieved 2009-04-23.  
  11. ^ "MITRE Presented with Secretary of Defense Medal for Outstanding Public Service". bnet (Business Wire). 2008-07-12. Retrieved 2009-04-15.  
  12. ^ "MITRE wins Air Force Association’s Theodore von Karman Award". The Integrator (US Air Force). 2008-07-31. Retrieved 2009-04-15.  
  13. ^ "Fortune 100 Best Companies to Work For". Fortune Magazine. Retrieved 2009-04-15.  
  14. ^ "100 Best Places to Work in IT 2008". Computerworld. Retrieved 2009-04-15.  
  15. ^ Shearman, Jennifer; Karina Wright (2009-09-16). "Aviation Week Names MITRE a "Best Place to Work"". MITRE Corporation. Retrieved 2009-10-06.  
  16. ^ "MITRE Technology Transfer Office: Available Technologies". MITRE Corporation. 2008-08-25. Retrieved 2009-04-20.  
  17. ^ "MITRE Technology Transfer Office: Downloadable Software". MITRE Corporation. 2008-02-02. Retrieved 2009-04-20.  
  18. ^ "MITRE Technology Transfer Office Patent List". MITRE Corporation. 2008-08-04. Retrieved 2009-04-20.  
  19. ^ "Acronyms: MITRE". The Free Dictionary. Farlex. Retrieved 2009-04-16.  

wearing a mitre.]]

The mitre (sometimes also spelled miter), from the Greek μίτρα, 'headband' or 'turban', is a type of headgear now known as the traditional, ceremonial head-dress of bishops and certain abbots in the Catholic Church, as well as in the Anglican Communion, some Lutheran churches, and also bishops and certain other clergy in the Eastern Orthodox churches, Eastern Catholic Churches and the Oriental Orthodox Churches.



High Priest wearing the mitznefet.]]


In ancient Israel, the Kohen Gadol (High Priest) wore a headress called the Mitznefet (often translated into English as "mitre"), which was wound around the head so as to form a broad, flat-topped turban. Attached to it was the Tzitz, a plate of solid gold bearing the inscription "Holiness to YHWH"[1] (Exodus 39:14, 39:30).

Byzantine empire

wearing the camelaucum.]]

The camelaucum (Greek: καμιλαύκιον, kamilaukion), the headdress both the mitre and the Papal tiara stem from, was originally a cap used by officials of the Imperial Byzantine court. "The tiara [from which the mitre originates] probably developed from the Phrygian cap, or frigium, a conical cap worn in the Greco-Roman world. In the 10th century the tiara was pictured on papal coins."[2] Other sources claim the tiara developed the other way around, from the mitre. Its use has possible precedents in the Phrygian mithraic sacrifice and the mitre-like headdress signifying enlightenment and received at a priest's inauguration.[3] In the late Empire it developed into the closed type of Imperial crown used by Byzantine Emperors (see illustration of Michael III, 842-867).

In Western Europe, the mitre was first used in ancient Rome by the Salii and other priests, and outside of Rome about the year 1000. Worn by a bishop, the mitre is depicted for the first time in two miniatures of the beginning of the eleventh century. The first written mention of it is found in a Bull of Pope Leo IX in the year 1049. By 1150 the use had spread to bishops throughout the West; by the 14th century the tiara was decorated with three crowns.

Christian clergy

Western Christianity

In its modern form in Western Christianity, the mitre is a tall folding cap, consisting of two similar parts (the front and back) rising to a peak and sewn together at the sides. Two short lappets always hang down from the back.


In the Catholic Church, the right to wear the mitre is confined by Canon law to bishops and to abbots, as it appears in the ceremony of consecration of a bishop and blessing of an abbot. Cardinals are now normally supposed to be bishops (since the time of Pope John XXIII), but even cardinals who are not bishops and who have been given special permission by the pope to decline consecration as bishops may wear the mitre. Other prelates have been granted the use of the mitre by special privilege, but this is no longer done. Former distinctions between "mitred abbots" and "non-mitred abbots" have been abolished.

Three types of mitres are worn by Roman Catholic clergy for different occasions:

  • The simplex ('simple', referring to the materials used) is made of undecorated white linen or silk and its white lappets traditionally end in red fringes. It is worn most notably at funerals, on Good Friday and by concelebrant bishops at a Mass. Cardinals in the presence of the Pope wear a mitre of white linen damask.
  • The pretiosa ('precious') is decorated with precious stones and gold and worn on Sundays and feast days. This type of mitre is rarely decorated with precious stones today, and the designs have become more varied, simple and original, often merely being in the liturgical color of the day.
  • The auriphrygiata is of plain gold cloth or white silk with gold, silver or coloured embroidered bands; when seen today it is usually worn by bishops when they preside at the celebration of the sacraments.

The proper color of a miter is always white, although in liturgical usage white also includes vestments made from gold and silver fabrics. The embroidered bands and other ornaments which adorn a miter and the lappets may be of other colors and often are. Although colored miters are sometimes sold and worn at present, this is probably due to the maker’s or wearer’s lack of awareness of liturgical tradition.

On formal occasions, an altar server may wear a shawl-like veil, called a vimpa, around the shoulders when holding the bishop's mitre. The vimpa is used to hold the mitre so as to avoid the possibility of it being soiled by the natural oils in a person's hand.

of Pope Benedict XVI. The papal tiara was replaced with a bishop's mitre.]]

With his inauguration as pope, Benedict XVI broke with tradition and replaced the papal tiara even on his papal coat of arms with a papal mitre (containing still the three levels of 'crowns' representing the powers of the Papacy in a simplified form) and pallium. Prior to Benedict XVI, each pope's coat of arms always contained the image of the papal tiara and St. Peter's crossed keys, even though the tiara had fallen into disuse, especially under popes John Paul I and John Paul II. Pope Paul VI was the last pope to date to begin his papal reign with a formal coronation in June 1963. However, as a sign of the need for greater simplification of the papal rites, as well as the changing nature of the papacy itself, he abandoned the use of his tiara in a dramatic ceremony in Saint Peter's Basilica during the second session of Vatican II in November 1963. However his 1975 Apostolic Constitution made it clear the tiara had not been abolished: in the constitution he made provision for his successor to receive a coronation. Pope John Paul I, however, declined to follow Paul VI's constitution and opted for a simpler papal inauguration, a precedent followed by his two successors. Pope John Paul II's 1996 Apostolic Constitution left open several options by not specifying what sort of ceremony was to be used, other than that some ceremony would be held to inaugurate a new pontificate.

Pope Paul VI donated his tiara (a gift from his former archdiocese of Milan) to the efforts at relieving poverty in the world. Later, Francis Cardinal Spellman of New York received the tiara and took it on tour of the United States to raise funds for the poor. It is on permanent view in the Crypt Church in the Basilica of the National Shrine of the Immaculate Conception in Washington, D.C.

of a bishop in the Episcopal Church, 1962.]]

In the Church of England the mitre fell out of use after the Reformation, but was restored in the late 19th and early 20th centuries as a result of the Oxford Movement, and is now worn by most bishops of the Anglican Communion on at least some occasions.

The mitre has always been used in ecclesiastical heraldry to surmount the coats of arms of bishops in the Church of England (instead of a crest, which is not used by clergy). In 1969 the mitre was suppressed in all personal arms of bishops in the Catholic Church, and is since only found on diocesan coats of arms. In heraldry the lappets are depicted with red lining.

Eastern Christianity

The most typical mitre in the Eastern Orthodox and Eastern Catholic churches is based on the closed Imperial crown of the late Byzantine Empire. Therefore, it too is ultimately based on the older καμιλαύκιον although it diverged from the secular headdress at a much later date, after it had already undergone further development. The crown form was not used by bishops until after the fall of Constantinople (1453).

The Eastern mitre is made in the shape of a bulbous crown, completely enclosed, and the material is of brocade, damask or cloth of gold. It may also be embroidered, and is often richly decorated with jewels. There are normally four icons attached to the mitre (often of Christ, the Theotokos, John the Baptist and the Cross), which the bishop may kiss before he puts it on. Eastern mitres are usually gold, but other liturgical colours may be used.

The mitre is topped by a cross, either made out of metal and standing upright, or embroidered in cloth and lying flat on the top. In Greek practice, the mitres of all bishops are topped with a standing cross. The same is true in the Russian tradition. Mitres awarded to priests will have the cross lying flat. Sometimes, instead of the flat cross, the mitre may have an icon on the top.

As an item of Imperial regalia, along with other such items as the sakkos (Imperial dalmatic) and epigonation, the mitre came to signify the temporal authority of bishops (especially that of the Patriarch of Constantinople) within the administration of the Rum millet (i.e., the Christian community) of the Ottoman Empire. The mitre is removed at certain solemn moments during the Divine Liturgy and other services, usually being removed and replaced by the protodeacon.

The use of the mitre is a prerogative of bishops, but it may be awarded to archpriests, protopresbyters and archimandrites. The priestly mitre is not surmounted by a cross, and is awarded at the discretion of a synod of bishops.

Oriental Orthodox Christianity

Oriental Orthodox bishops sometimes use mitres, either of the Western or Eastern style. In the past, Coptic bishops have worn the ballin, an omophorion wound around the head like a turban. The Coptic Patriarch of Alexandria will often wear an Eastern-style mitre. Coptic priests frequently wear a mitre, similar to a Western bishop's mitre.

Syriac Orthodox bishops wear the maşnaphto (literally, 'turban') when presiding at the Divine Liturgy. This is a large, richly embroidered hood, often depicting the Holy Spirit as a dove.

Armenian Apostolic bishops wear tall and distinctively tapered Western-style mitres. The Armenian bishop's mitre differs from its Western counterpart in that the points at the top are usually joined together. Armenian priests regularly wear Byzantine-style mitres (symbolyzing the sovereignty of Christ). On certain solemn occasions, Armenian deacons will wear the mitre also, although the deacon's mitre is somewhat narrower than that of the priest.


During the 18th and 19th Centuries, soldiers serving as grenadiers in various northern European armies wore a mitre similar to those worn by Western bishops, but made out of metal rather than fabric. The mitre surviving as parade dress in a few Prussian and Russian grenadier regiments until World War I.

Other uses

The bishop in the board game chess is represented by a stylized Western mitre.

The crowns of the Austrian Empire and Imperial Russia incorporated a mitre of precious metal and jewels into their design. The Austrian imperial crown was originally the personal crown of the Holy Roman Emperor Matthias II and has the form proper to that of a Holy Roman Emperor. At their coronations as Roman Emperors in Rome the pope placed a miter on their heads before placing the crown over it. Their empress consorts also received both a miter and crown on their heads from a cardinal bishop at the same ceremony. The form of the Russian imperial crown dates back to the time of Peter the Great’s early attempts to westernize Russian and was probably inspired by the crowns worn by Austrian Hapsburg emperors.

Abbesses of certain very ancient abbeys in the West also wore miters, but of a very different form than that worn by male prelates. These miters probably had their origins in the caps worn deaconesses in the early church, since at the time these abbeys the order of deaconesses still existed in the West and the abbess foundresses of these monasteries were deaconesses.

The mitral valve of the human heart, which is located between the left atrium and the left ventricle, is named so because of its similarity in shape to the mitre. Andreas Vesalius, the father of anatomy, noted the striking similarity between the two while performing anatomic dissections in the sixteenth century.



External links

Simple English

File:BXVI CoA like gfx
The arms of Pope Benedict XVI show a bishop's mitre instead of the pope's crown
A mitre is a tall hat worn by leaders in some Christian churches. In the Roman Catholic church, it is worn by bishops, archbishops or cardinals (higher order). The front and back are the shape of a triangle. It is only worn when the bishop is dressed in his special religious clothes, but is used on a coat of arms to show that the owner is a bishop.

Mitres are also worn by some clergy in the Eastern Orthodox and Eastern Catholic churches.


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