
The 1st Infantry Brigade is an infantry brigade of the Estonian Land Forces. It is the primary military unit in Northern Estonia. The brigade headquarters is based at Tapa.

The 2nd Battalion is an infantry unit of the Norwegian Army, based at camp Skjold in Troms county in Northern Norway. It serves in the light infantry role specialized in Arctic warfare as part of Brigade Nord; the battalion is one of three manoeuvre battalions within the brigade, along with Telemark Battalion and Panserbataljonen. The 2nd Battalion serves two roles, primarily being organised for domestic defence; however, during Norway's contribution to the NATO forces in Afghanistan, the 2nd Battalion played a vital role. The 2nd Battalion also contributed consistently to the ISAF forces in northern Afghanistan, supporting an elite trained light infantry, organized as a Quick Reaction Force (QRF). The battalion is divided into four companies: Bravo company, Charlie company, the cavalry squadron and the support company. Bravo company and Charlie company serves as specialized light infantry, focusing on Arctic warfare and urban warfare. The cavalry squadron is the battalion's internal intelligence unit as well as consisting of one platoon of marksmen. The support company is the largest of the four, and primarily consists of medics, anti-tank personnel, combat, service and support. The battalion uses a khaki beret, as opposed to the traditional black beret worn by cavalry units throughout the world, which symbolizes the battalion's long and proud history of producing some of Norway's most elite and well equipped soldiers.

The 5th Separate Mechanized Brigade was a formation of the Ukrainian Ground Forces sent to Iraq in August 2003. Brigade was deployed from 17 August 2003 to March 2004.

The 6th Division is a formation of the Iraqi Army, first formed after 1959, converted to armoured status by 1973, but disbanded in 2003. It was reformed as part of the new army in August 2005.

The 8th Weapons Squadron is a non-flying United States Air Force unit, assigned to the USAF Weapons School at Nellis Air Force Base, Nevada.

The 17th Raiders Wing is the Italian Air Force special forces unit. It is the youngest special force created in Italy. It is based in Furbara, near Rome and part of the Comando interforze per le Operazioni delle Forze Speciali. Until 8 April 2008 the unit was named Reparto Incursori Aeronautica Militare but with the expansion and evolution of the unit's assignments and its size, the name was changed to "17° Stormo Incursori".

The 17th Tank Brigade is a formation of the Ukrainian Ground Forces. The full name of the Brigade is the 17th Separate Kryvyi Rih Tank Brigade. It was formerly known as 17th Guards Tank Division. The Brigade is located in Kryvyi Rih.

The 24th Mechanized Brigade is a mechanized brigade of the Ukrainian Ground Forces, based at Yavoriv in the west of Ukraine.

The 31st Light Infantry Battalion is a light infantry unit of the Swedish Army. The unit is part of the Life Regiment Hussars and is based in Karlsborg. The battalion utilizes different means of transportation and is trained for air assault operations.

The 46th Infantry Battalion of the Philippine Army is an organic unit of the 8th Infantry Division. There primary task is to secure the peace and order in the areas of Eastern Visayas, especially the Province of Western Samar which was noted for its deteriorated peace and order situation. Currently, the 500-man-battalion are garrisoned and stationed at Brgy Polangi, Calbiga, Samar.

The 67th Maneuver Enhancement Brigade is a maneuver enhancement brigade (MEB) of the Nebraska Army National Guard. It derives its lineage from the 67th Infantry Brigade (Mechanized), previously a component of the 35th Infantry Division (Mechanized). The brigade has also been organized as an area support group from 2003–2008, and as a battlefield surveillance brigade from 2008–2016.

The 102nd Reconnaissance Battalion of General Karel Paleček is a reconnaissance battalion in the Czech Army based in Prostejov. It falls under the command of the 53rd Regiment of Reconnaissance and Electronic Warfare.

The 470th Military Intelligence Brigade is a unit of the United States Army and subordinate to the U.S. Army Intelligence and Security Command. Its mission is to provide tailored, multi-disciplined intelligence and counter-intelligence in support of United States Army South (ARSOUTH) and United States Southern Command (USSOUTHCOM). The 470th is headquartered at Fort Sam Houston, Texas with subordinate battalions located in Texas and Florida. Elements of the 470th have participated in Operation Just Cause and have deployed in support of Operation Iraqi Freedom and Operation Enduring Freedom.

The Joint Special Operations Group, known officially as JSOG or AFP-JSOG, is one the Armed Forces of the Philippines' Wide Support Units tasked in conducting Counter-terrorism, Unconventional-Guerrilla, Asymmetrical, and highly specialized operations that no other regular AFP Unit can handle. In April 2018, the Joint Special Operations Group was deactivated and its units transferred to the AFP Special Operations Command, (AFPSOCOM).

Allied Command Operations (ACO) is one of the two strategic commands of the North Atlantic Treaty Organization (NATO), the other being Allied Command Transformation (ACT). The headquarters and commander of ACO is Supreme Headquarters Allied Powers Europe (SHAPE) and Supreme Allied Commander Europe (SACEUR), respectively.

Allied Command Transformation (ACT) is a military command of the North Atlantic Treaty Organization (NATO), formed in 2003 after restructuring.

The Special Operations Command Central (SOCCENT) is a sub-unified command of the U.S. Central Command (USCENTCOM). It is responsible for planning special operations throughout the USCENTCOM area of responsibility (AOR), planning and conducting peacetime joint/combined special operations training exercises, and orchestrating command and control of peacetime and wartime special operations as directed.

The Division "Tridentina" Italian: Divisione "Tridentina" is one of three active divisions of the Italian Army. The division is based in Bolzano in the province of South Tyrol and part of the Alpine Troops Command in the same city. The division carries on the name and traditions of the World War II Royal Italian Army 2nd Alpine Division "Tridentina" and the Cold War Italian Army Alpine Brigade "Tridentina".

The Estonian Iraqi Contingent or was a joint military force of the Estonian Defence Forces deployed mainly in the Baghdad Governorate in Sab-al-Bori area.

The His Majesty the King's Guard 3. Company is a renowned military band and drill unit the Norwegian Armed Forces. It is attached to the Hans Majestet Kongens Garde or The King's Guard, acting as its unit band and drill team. The band and drill unit is based out of Huseby Leir in the capital Oslo where its area of responsibility is. It is a renowned unit that is famous around the world for its participation in international military tattoos. In its activities, it participates in parades and ceremonies for HM Harald V of Norway) and Norwegian members of the House of Glücksburg. It also supports the government and the military, specifically increasing the esprit de corps in army units as well as in the public. The concert season usually lasts from December to March/April while the marching season lasts until September.

Iraqi Special Operations Forces (ISOF) are Iraqi special forces unit created by coalition forces after the 2003 invasion. The forces, directed by the Iraqi Counter Terrorism Service, consist of the Iraqi Counter Terrorism Command, which has three brigades subordinate to it. The Counter Terrorism Service is funded by the Iraq Ministry of Defence.

Joint Task Force Liberia was a joint task force formed from August to October 2003 in response to the crisis that developed during the Second Liberian Civil War. The ongoing civil war destabilized the area and created a large number of refugees as rebel forces closed in on Monrovia and took over Bushrod Island. As a result, the Freeport of Monrovia closed, causing food shortages.

Kata'ib Hezbollah or Hezbollah Brigades is an Iraqi Shia paramilitary group which is part of the Popular Mobilization Forces that is supported by Iran. It has been active in the Iraqi Civil War and the Syrian Civil War. During the Iraq War, the group fought against coalition occupation forces. The group was commanded by Abu Mahdi al-Muhandis until he was killed by a US airstrike in Baghdad on 3 January 2020. After the death of Abu Mahdi al-Mohandes, he was replaced by Abdul Aziz al-Muhammadawi, as the new leader of the Popular Mobilization Unit (PMU).

The Kazakh Naval Forces is the naval warfare branch of the Armed Forces of the Republic of Kazakhstan. The navy mainly operates on the Caspian Sea and is currently based in the coastal city of Aktau.

The Khamis Brigade, formally the 32nd Reinforced Brigade of the Armed People, was a regime security brigade of the Libyan Armed Forces loyal to Muammar Gaddafi, the official leader of Libya from 1969 until 2011. The 32nd Brigade was commanded by Gaddafi's youngest son, Khamis Gaddafi and was called "the most well-trained and well-equipped force in the Libyan military" and "the most important military and security elements of the regime" in leaked U.S. memos.

The Kosovo Security Force Band is a music group from the partially recognized Republic of Kosovo. It is the only one within the country's Security Forces and follows the Albanian and even Serbian band precedent and format. The Kosovan FSK Band was founded in 2003 as part of the country's Protection Corps until it was transferred to the FSK in 2009. In 2014, distinctive ceremonial uniforms were authorized. It performs on all public holidays in the republic, including Independence Day, Constitution Day and Europe Day. It coordinates with the FSK Ceremonial Guard to participate in ceremonial events. It has performed jointly with bands from NATO, the United States National Guard and the European Union.

Multinational Division Central-South (MND-CS), created in September 2003, and supported by NATO, was a part of the Multinational Force Iraq. Headquartered in Camp Echo, it was under Polish command until October 2008, when the last of Poland's troops were withdrawn. Polish contingent was its largest. Other participants included Armenia, Bosnia and Herzegovina, Bulgaria, Denmark, Kazakhstan, Latvia, Lithuania, Mongolia, Norway, Romania, El Salvador, Slovakia, Spain, Ukraine and the United States of America. As of December 2008, Armenian, Bosnian, Danish, Latvian, Kazakh, Lithuanian, Mongolian, Spanish and Slovakian forces have been fully withdrawn.

The National Capital Regional Command, known officially as the NCRCom or NCRC, is one the Armed Forces of the Philippines' former Wide Support Commands Combating Terrorism-Insurgency and act as support units to the Philippine National Police-National Capital Region in maintaining peace and order within Metro Manila. They also support SoLCom in anti-dissidence operations in Cavite and Laguna.

The NATO Response Force (NRF) is a high readiness force comprising land, air, sea and special forces units capable of being deployed quickly on operations wherever needed.

The Security Detachment Iraq was the final component of Australia's contribution to coalition operations in Iraq. SECDET was based on an Australian Army combined arms combat team consisting of an infantry company group and a troop of cavalry which operated the Australian Light Armoured (ASLAV) vehicles. The force's duties included static security guarding at the Australian Embassy in Baghdad and the protection of Australian diplomats by the 1st Military Police Bn- Close Personal Protection Team and vehicle convoys. SECDET was withdrawn in August 2011, with the firm Unity Resources Group becoming responsible for providing security for Australia's diplomatic presence in Iraq.

The Special Operations Command (SOCOMD) is an Australian Defence Force command that was established on 5 May 2003 to unite all of the Australian Army's special forces units and by 2008 was fully operational. Australia's Special Operations Command is of equivalent status to Australia's Fleet, Forces and Air Commands. It is modelled on the equivalent commands in the United States and British military forces, and is led by a major general as Special Operations Commander Australia (SOCAUST).

The Special Operations Logistic Squadron (SOLS) is an independent and specialised unit of the Australian Army based in Sydney, New South Wales which provides specialist logistical support to all units of the Special Operations Command in support of special operations. It has developed a "jack of all trades" capability across military logistics including rapid prototyping and metal fabrication.

The United States Army Human Resources Command is a command of the United States Army established in 2003 from the merger of the United States Total Army Personnel Command (PERSCOM) in Alexandria, Virginia and the United States Army Reserve Personnel Command (AR-PERSCOM) in St. Louis, Missouri. PERSCOM and AR-PERSCOM were inactivated 1 October 2003.

Marine Operational Test and Evaluation Squadron One (VMX-1) is a United States Marine Corps operational test squadron consisting of multiple aircraft types. The squadron is based at Marine Corps Air Station Yuma, Arizona. VMX-22 stood up in August 2003 and was redesignated VMX-1 in May 2016. VMX-1 conducts operational test under the authority of the Commander, Operational Test and Evaluation Force (COMOPTEVFOR) and the Director, Marine Corps Operational Test and Evaluation Activity (MCOTEA) depending on the program under test.