The Force Research Unit (FRU) was a covert military intelligence unit of the British Army's Intelligence Corps. It was established in 1982 during the Troubles to obtain intelligence from terrorist organisations in Northern Ireland by recruiting and running agents and informants.
The Special Reconnaissance Regiment (SRR) is a special reconnaissance unit of the British Army. It was established on 6 April 2005 and is part of the United Kingdom Special Forces (UKSF).
The Joint Special Operations Command (JSOC) is a joint component command of the United States Special Operations Command (USSOCOM) and is charged with studying special operations requirements and techniques to ensure interoperability and equipment standardization; to plan and conduct special operations exercises and training; to develop joint special operations tactics; and to execute special operations missions worldwide. It was established in 1980 on recommendation of Colonel Charlie Beckwith, in the aftermath of the failure of Operation Eagle Claw. It is located at Pope Field.
The Special Forces Support Group (SFSG) is a unit of the British Armed Forces. The SFSG is the newest addition to the United Kingdom Special Forces. It was formed officially on 3 April 2006 to provide specialist infantry and other support to the Special Air Service, the Special Reconnaissance Regiment and the Special Boat Service on operations. A tri-service unit, the major element of the SFSG is 1st Battalion, The Parachute Regiment, reinforced with a company strength group of the Royal Marines. Specialists from the RAF Regiment also form part of the SFSG's strength. The SFSG may provide extra firepower from land or air to fulfil their mission.
Operation Together Forward, also known as Forward Together, was an unsuccessful offensive against sectarian militias in Baghdad to significantly reduce the violence in which had seen a sharp uprise since the mid-February 2006 bombing of the Askariya Mosque, a major Shiite Muslim shrine, in Samarra.
The United States Army Intelligence Support Activity (USAISA), frequently shortened to Intelligence Support Activity (ISA), also known at various times as Joint Reconnaissance Evaluation Group (JREG), Mission Support Activity (MSA), Office of Military Support (OMS), Field Operations Group (FOG), Studies and Analysis Activity (SAA), Tactical Concept Activity, Tactical Support Team, and Tactical Coordination Detachment, and also nicknamed The Activity and the Army of Northern Virginia, is a United States Army Special Operations unit which serves as the intelligence gathering component of Joint Special Operations Command. Within JSOC, the unit is often referred to as Task Force Orange. Originally subordinated to the US Army Intelligence and Security Command (INSCOM), it is one of the least known intelligence components of the United States military, tasked with clandestine HUMINT operations and collecting actionable intelligence during or prior to JSOC missions.
The special forces of the Australian Defence Force are units of Special Operations Command and associated units of the Royal Australian Navy and the Royal Australian Air Force that conduct and or support special operations to advance and protect the national security of the Commonwealth of Australia. The special forces of Australia have a lineage to a variety of units raised in the Second World War such as the Independent and Commando Companies, Z Special Unit, Navy Beach Commandos, and the Coastwatchers. Australian special forces have most recently been deployed to Iraq in Operation Okra as the Special Operations Task Group, as the Special Operations Task Group in Afghanistan, in Afghanistan in support of the Australian Secret Intelligence Service and regularly for counter-terrorism pre-deploy to locations of major domestic events throughout Australia in readiness to support law enforcement such as the 2014 G20 Brisbane summit.
The term Tier One Special Mission Unit or Special Missions Unit (SMU) is a term sometimes used, particularly in the United States, to describe some highly secretive military special operations forces. Special mission units have been involved in high-profile military operations, such as the killing of Osama bin Laden.
Operation Marne Torch refers to two operations launched by U.S.-led Coalition forces in 2007 against al-Qaeda in Iraq in the Arab Jabour area of Babil province. This campaign is named after Operation Torch, the joint US/British invasion of French North Africa in 1942, presumably because of the two operations' similar thrust into the enemies' southern underbellies.
Operation Saber Guardian was a joint operation between 3rd Battalion, 3rd Brigade, 5th Iraqi Army soldiers, local concerned citizens, and 6-9 Armored Reconnaissance Squadron, 3rd Brigade Combat Team, 1st Cavalry Division. The operation, targeted at al-Qaida leadership near the town of Sherween, Iraq, resulted in 20 al-Qaida terrorists killed, 20 detained, and two weapons caches and 12 improvised explosive devices discovered.
Operation Phantom Strike was a major offensive launched by the Multi-National Corps – Iraq on 15 August 2007 in a crackdown to disrupt both the al-Qaeda-affiliated Islamic State of Iraq and Shia insurgent operations in Iraq. It consisted of a number of simultaneous operations throughout Iraq focused on pursuing remaining ISI terrorists and Iranian-supported insurgent groups. It was concluded in January 2008 and followed up with Operation Phantom Phoenix.
The Basra prison incident was an event involving British troops in Basra, Iraq.
Joint Special Operations Command Task Force in the Iraq War was a joint American and British special operations unit, of which little is publicly known. It is described as a "hunter-killer team" with its core made up of the United States Army's 1st Special Forces Operational Detachment-Delta and the 75th Ranger Regiment, as well as the United States Naval Special Warfare Development Group and members of the United States Air Force's 24th Special Tactics Squadron, all under Joint Special Operations Command (JSOC) and elements from the United Kingdom Special Forces, including the Special Air Service, Special Boat Service (SBS), Special Reconnaissance Regiment (SRR), 18 (UKSF) Signal Regiment and the Special Forces Support Group (SFSG). The unit was reported to be responsible for the cross border raid into Syria from Iraq in October 2008 that resulted in eight deaths including Abu Ghadiya, along with several US operations in the Horn of Africa targeting al Qaeda.
Operation Marlborough was the code name of a mission carried out by M Squadron Special Boat Service. The mission involved an SBS team from Task Force Black, in Baghdad, Iraq, on 23 July 2005 with support the Special Air Service and U.S. military assets.
The U.S. Army Special Forces traces its roots as the Army's premier proponent of unconventional warfare from purpose-formed special operations units like the Alamo Scouts, Philippine guerrillas, First Special Service Force, and the Operational Groups (OGs) of the Office of Strategic Services. Although the OSS was not an Army organization, many Army personnel were assigned to the OSS and later used their experiences to influence the forming of Special Forces.
Combined Joint Task Force – Operation Inherent Resolve (CJTF–OIR) is a multinational military formation established by the U.S.-led international coalition against the Islamic State of Iraq and the Levant (ISIL) with the stated aim to "degrade and destroy" the organization. Led by United States Army Central (ARCENT), it is composed of military forces and personnel from over 30 countries.
Operation Larchwood 4 was an operation launched by B squadron of the British 22nd Special Air Service Regiment supported by US forces to attack an Al-Qaeda-occupied farmhouse in Yusufiyah, Baghdad Governorate, Iraq. The raid was a major success, as a result of which intelligence was gathered which led to the finding and killing of Al Qaeda in Iraq's leader Abu Musab al-Zarqawi a few months later.
United Kingdom 
British Army 