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| Colonel (military rank) | |
|---|---|
| Name | Colonel |
| Higher rank | Brigadier General |
| Lower rank | Lieutenant Colonel |
| NATO rank | OF-5 |
Colonel (military rank) is a senior field-grade rank used in many United Kingdom and United States-derived ranking systems and in numerous armed forces worldwide. Historically associated with command of a regiment or brigade, the rank sits between Lieutenant Colonel and Brigadier General in many hierarchies and has equivalents across NATO and non-NATO services. Colonels have appeared as key figures in conflicts such as the Napoleonic Wars, American Civil War, World War I, and World War II, and in peacetime hold staff, administrative, and ceremonial roles in institutions like the British Army, United States Army, Australian Army, and Indian Army.
The term derives from the Italian colonello, meaning "column" commander, adopted into Spanish and French during the Renaissance and Early Modern period, reflecting formation tactics in the Thirty Years' War. The office evolved in the Dutch Republic and the Kingdom of France where wealthy patrons raised regiments, a practice seen in the English Civil War and the War of the Spanish Succession. By the time of the American Revolutionary War and the Napoleonic Wars colonels were typically professional officers commanding regiments in states such as the Kingdom of Prussia and the Ottoman Empire; later reforms in the Meiji Restoration and the Russian Empire professionalized the rank into modern staff structures.
A colonel commonly commands a regiment, brigade-sized formation, or serves as a senior staff officer in headquarters such as those of the Pentagon, Ministry of Defence, or national joint commands like NATO. Responsibilities include operational planning during campaigns like Operation Overlord, administrative oversight seen in peacetime garrisons such as Aldershot, and liaison with civilian authorities exemplified by interactions with ministries in Paris, Washington, D.C., and New Delhi. Colonels often direct training at institutions including the United States Military Academy, Royal Military Academy Sandhurst, and the Ecole Spéciale Militaire de Saint-Cyr and may hold appointments in defense colleges such as the NATO Defence College.
Insignia for colonels vary: in the United States, the silver eagle is displayed on service uniforms and on branch insignia used by the United States Air Force and United States Marine Corps; in the United Kingdom and Commonwealth of Nations armies rank pips and crowns or specific gorget patches appear on service dress and mess uniforms used at institutions like Buckingham Palace and barracks such as Catterick. Other nations use stars, wreaths, or national emblems as in France, Germany, Russia, China, and Japan. Ceremonial accoutrements tied to the rank include sword-wearing traditions in the British Army and staff officer distinctions in the Imperial German Army during the Franco-Prussian War.
NATO assigns OF-5 to colonel equivalents, matching ranks like Colonel (OF-5), Naval Captain in services such as the Royal Navy and United States Navy, and sometimes senior police or paramilitary ranks in organizations like the Royal Canadian Mounted Police. Many air forces use the colonel title, while other systems employ titles such as Oberst in Germany, Colonel in France, and Senior Colonel in the People's Liberation Army of China which sits between colonel and major general. Comparative lists contrast the rank with equivalent civil service grades in ministries of defense across the European Union and in allied states such as Israel and South Korea.
Promotion to colonel typically requires completion of staff college courses at establishments like Joint Services Command and Staff College or the U.S. Army War College, selection boards convened by defense ministries, and demonstrated command and staff performance in theaters including Afghanistan and Iraq. Appointments can be permanent regimental commands, temporary brigade commands, or staff billets within multinational commands such as ISAF or UN peacekeeping missions. Retirement ages and length of service rules are governed by statutes in legislatures such as the United States Congress and parliaments in Canada and Australia, with ceremonial retirement ranks occasionally granted by heads of state in countries like France and Spain.
Different nations adapt the rank to local traditions: the United Kingdom retains colonel as a substantive and honorary appointment within regimental systems such as the Grenadier Guards; the United States uses colonel for combined arms and aviation branches; Russia uses the Cyrillic equivalent polkovnik with historical roots in the Tsardom of Russia; Brazil uses coronel with strong local political-cultural connotations in regions like Northeast Brazil; in Japan the pre-1945 Imperial Army employed riku-gun tae-sa equivalents while the Japan Self-Defense Forces follow a distinct insignia system. Other unique forms include colonial-era titles in India and ceremonial colonelcies in Canada.
Colonels appear in literature, film, and television as archetypes: characters such as those in works by Joseph Heller, Graham Greene, and Ernest Hemingway; film portrayals in Apocalypse Now, The Deer Hunter, and Full Metal Jacket; television roles in series like M*A*S*H and Downton Abbey; and in music references ranging from Johnny Cash to Creedence Clearwater Revival. Public perceptions link the rank with leadership, discipline, and sometimes eccentricity in portrayals of figures like Colonel Sanders (fictionalized persona tied to KFC), while historians reference real colonels from campaigns at Gettysburg, Waterloo, and Stalingrad in scholarly works and museum exhibits at institutions such as the Imperial War Museums and the Smithsonian Institution.
Category:Military ranks