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A special missions unit (SMU), at one time referred to as a "tier 1" unit, is a designation for the United States military's most highly secretive and elite special operations forces. The term special missions unit is also used in Australia to describe the Special Air Service Regiment. Special mission units have been involved in high-profile military operations, such as the killing of Osama bin Laden and the attempted hostage rescue of Kayla Mueller.

United States

The United States military definition in the Department of Defense Dictionary of Military and Associated Terms comes from Joint Publication 3-05.1 – Joint Special Operations Task Force Operations (JP 3-05.1). JP 3-05.1 defines a "special mission unit" as "a generic term to represent a group of operations and support personnel from designated organizations that is task-organized to perform highly classified activities".

The U.S. government does not acknowledge which units specifically are designated as special missions units, only that they have special mission units within the Joint Special Operations Command (JSOC), which is part of U.S. Special Operations Command (SOCOM). In the early 1990s commander in chief of SOCOM, General Carl Stiner, identified both Delta Force and SEAL Team Six as permanently assigned special mission units in congressional testimony and public statements. In 1998, Under Secretary of Defense for Policy Walter B. Slocombe publicly referred to special mission units during a briefing to the Senate Armed Services Committee: "We have designated special mission units that are specifically manned, equipped and trained to deal with a wide variety of transnational threats" and "These units, assigned to or under the operational control of the U.S. Special Operations Command, are focused primarily on those special operations and supporting functions that combat terrorism and actively counter terrorist use of weapons of mass destruction. These units are on alert every day of the year and have worked extensively with their interagency counterparts."

List of United States military SMUs

As of 2023, the U.S. military publicly acknowledges five units as special mission units:

• The Army's 1st Special Forces Operational Detachment – Delta (1st SFOD-D), widely known as Delta Force. JSOC color-coded as Task Force Green.
• The Navy's Naval Special Warfare Development Group (DEVGRU), commonly known as SEAL Team Six. JSOC color-coded as Task Force Blue.
• The Air Force's 24th Special Tactics Squadron (24 STS). JSOC color-coded as Task Force White.
• The Army's Intelligence Support Activity, officially identified only by a series of code names that are replaced every two years. Originally tasked by the Army and subordinate to INSCOM, they were placed under JSOC after the September 11 attacks. JSOC color-coded as Task Force Orange.
• The Army Rangers' Regimental Reconnaissance Company (RRC), part of U.S. Army Special Operations Command (USASOC), has also been referred to as an SMU. JSOC color-coded as Task Force Red (also used to refer to the broader 75th Ranger Regiment when under JSOC control.

Former special mission Units:

• The Army's Asymmetric Warfare Group, which was deactivated in 2021, was referred to as a special mission unit by the Army. Though subordinate to TRADOC, many of AWG's subject-matter experts are former JSOC members.

Australia

The Australian Army's elite Special Air Service Regiment are described as being "special missions units with unique capabilities within the Australian Defence Force". The Regiments are components of Australia's Special Operations Command (SOCOMD), and are tasked with conducting "sensitive strategic operations, special recovery operations, training assistance, special reconnaissance and precision strike and direct action".

The SASR currently has four sabre squadrons, known as 1, 2, 3 and 4 squadron. The first two squadrons rotate through the two roles performed by the regiment; 1 Squadron conducts the counter terrorism/special recovery (CT/SR) role, and the remaining squadrons conduct the warfighting/reconnaissance role, while 4 Squadron is responsible for collecting intelligence and also supports the Australian Secret Intelligence Service.

Notable operations

• On December 13, 2003, members of Task Force 121 conducted a military operation in Ad-Dawr, Iraq, which led to the capture of former Iraqi president Saddam Hussein who was found hiding in a spider hole.
• On May 2, 2011, Osama bin Laden was killed in a CIA SAD-led operation where U.S. Navy SEALs from DEVGRU's Red Squadron were flown into Abbottabad, Pakistan, by elements of 160th SOAR from Jalalabad, Afghanistan.
• On October 22, 2015, 30 U.S. special operations forces consisting of members of Delta Force, aviators from the 160th SOAR, paramilitary officers from the CIA's Special Activities Center and along with members of the Kurdish Counter-terrorism unit Peshmerga, conducted a raid on an ISIS prison compound north of the town of Hawija in Iraq's Kirkuk province which resulted in the liberation of approximately 70 hostages, including more than 20 members of the Iraqi Security Forces who were to be executed and buried in freshly dug graves. The operation left one Delta operator dead, MSG Joshua Wheeler, the first American to be killed by ISIS insurgents and the first American to be killed in Action in Iraq since November 2011. SGM Thomas Payne, then a SFC, was awarded the Medal of Honor on September 11, 2020, for his actions that day.
• Between October 26 and 27, 2019, in Barisha, Idlib Governorate, Syria, members of 1st SFOD-D (Delta Force) along with paramilitary officers from the CIA's Special Activities Center, Army Rangers from the 75th Ranger Regiment and aviators from the 160th SOAR conducted a raid that resulted in the death of Abu Bakr al-Baghdadi. The raid was named Operation Kayla Mueller after American human rights activist and humanitarian aid worker Kayla Mueller, who was captured in Syria, tortured, and eventually killed by ISIL on February 6, 2015. Baghdadi killed himself when he detonated a suicide belt while seeking to evade the U.S. forces during the raid after reaching a dead end in a tunnel. Two Delta operators and one military working dog (Conan) were injured from Baghdadi's suicide belt but sustained no life threatening injuries.

References

1. Sof, Eric (2022-03-14). "JSOC's Tier-system explained: How do they differ?". Spec Ops Magazine. Retrieved 2024-04-12.
2. Roblin, Sebastien (19 October 2019). "Dream of Becoming a Navy Seal or Part of Delta Force? Here Is the Ultimate Guide to U.S. Special Forces". The National Interest.
3. Article title
4. "Joint Special Operations Task Force Operations" (PDF). 26 April 2007. p. GP-15 (Glossary page). Retrieved 2013-09-19.
5. ^ "Secret Unit Expands Rumsfeld's Domain". The Washington Post. 2005-01-23. Retrieved 2013-09-19.
6. Collins, John M. (November 1994). Special Operations Forces: An Assessment (Nov 1, 1994 ed.). Diane Publishing. pp. 69–71. ISBN 1410223140.
7. ^ Eric Schmitt (2005-01-23). "Commandos Get Duty on U.S. Soil". New York Times. Retrieved 2013-09-19.
8. ^ Morgan, Wesley (2021-10-27). "The not-so-secret history of the U.S. military's elite Joint Special Operations Command". Washington Post. ISSN 0190-8286. Retrieved 2024-04-12.
9. North, Oliver (2010). American Heroes in Special Operations. B&H Publishing Group. ISBN 978-0-8054-4712-5.
10. ^ "The most secret of secret units". The Week. 2013-03-22. Retrieved 2013-09-10.
11. ^ Neville, Leigh (2008). Special Operations Forces in Afghanistan. Osprey Publishing. p. 8. ISBN 978-1846033100.
12. Smith, Michael (2008). Killer Elite: The Inside Story of America's Most Secret Special Operations Team. St. Martin's Griffin. p. 332. ISBN 978-0312378264. Retrieved 28 September 2013.
13. "In high demand, Air Force commandos must find new ways to cope with stress of duty". Gaffney Ledger. 9 May 2005. Archived from the original on 16 January 2014. Retrieved 10 February 2023.
15. ^ GlobalSecurity.org JSOC entry
16. ^ Rowan Scarborough (15 March 2004). "Agencies unite to find bin Laden". Washington Times. Retrieved 15 March 2009.
19. "AORG-STB MEMORANDUM FOR RECORD SUBJECT: Career Opportunity in Special Mission Unit" (PDF). 2011-10-04. Archived from the original on 10 April 2023.
20. "2008 U.S. Army Posture Statement - Information Papers - Asymmetric Warfare Group". www.army.mil. Retrieved 2024-10-04. The Asymmetric Warfare Group (AWG) is a special mission unit reporting through 20th SUPCOM to the Army G-3/5/7.
21. "Asymmetric Warfare Group". www.army.mil. 2010-04-07. Retrieved 2024-10-04. The Asymmetric Warfare Group (AWG) is a special mission unit under the Army G-3/5/7 providing operational advisory assistance to Army and Joint Force Commanders to enhance the combat effectiveness of the forces defeating asymmetric threats.
22. ^ Team, SOFREP News (2017-05-15). "Asymmetric Warfare Group". SOFREP. Retrieved 2024-10-04.
23. ^ "Special Air Service Regiment". Australian Army. Archived from the original on 22 May 2014. Retrieved 30 September 2013.
24. Lee (2007), p. 95.
25. Epstein, Rafael; Welch, Dylan. "Secret SAS teams hunt for terrorists". Sydney Morning Herald. Retrieved 30 September 2013.
26. "Saddam Hussein Captured". US: ABC News. January 6, 2006. Retrieved July 30, 2020.
27. "Graphic: Osama bin Laden killed at compound in Pakistan". The Washington Post. 2011-05-05. Retrieved 2013-09-30.
28. Thomas Gibbons-Neff (October 24, 2015). "Helmet camera footage shows joint U.S. Delta Force-Kurdish raid to rescue Islamic State hostages". washingtonpost.com. Retrieved January 7, 2021.
29. Jim Miklaszewski and Courtney Kube (October 23, 2015). "Master Sgt. Joshua Wheeler, U.S. Commando Killed in ISIS Raid, Ran to Gunfight". nbcnews.com. Retrieved January 7, 2021.
30. Jim Miklaszewski, Richard Engel and Alastair Jamieson (October 22, 2015). "U.S. Special Operations Forces Commando Killed in ISIS Hostage Rescue". nbcnews.com. Retrieved January 7, 2021.
31. "SERGEANT MAJOR THOMAS P. PAYNE, MEDAL OF HONOR, OPERATION INHERNT RESOLVE". army.mil. Retrieved January 7, 2021.
32. Katie lange (October 19, 2020). "Medal of Honor Monday: Sgt. Maj. Thomas 'Patrick' Payne". defense.gov. Retrieved January 7, 2021.
33. Pompeo, Michael R. (27 October 2019). "On the Death of Abu Bakr Al-Baghdadi" (Press release). U.S. Department of State. Retrieved 18 April 2022.
34. Luis Martinez (February 4, 2020). "U.S. Special operations forces raid a compound that resulted in the death of Abu Bakr al-Baghdadi". US: ABC News. Retrieved October 4, 2020.

v t e United States Special Operations Command (USSOCOM)
United States Army USASOC	Units 1st Special Forces Command 75th Ranger Regiment Army Special Operations Aviation Command John F. Kennedy Special Warfare Center and School Types Special Forces Rangers Civil Affairs Psychological Operations
United States Marine Corps MARSOC	Units Marine Raider Regiment Marine Raider Support Group Marine Raider Training Center Types Critical skills operator
United States Navy NAVSPECWARCOM	Units Naval Special Warfare Group 1 Naval Special Warfare Group 2 Naval Special Warfare Group 4 Naval Special Warfare Group 8 Naval Special Warfare Group 11 Naval Special Warfare Center Types Navy SEALs Special warfare combatant-craft crewmen
United States Air Force AFSOC	Units 1st Special Operations Wing 24th Special Operations Wing 27th Special Operations Wing 137th Special Operations Wing 193rd Special Operations Wing 352nd Special Operations Wing 353rd Special Operations Wing 492nd Special Operations Wing 919th Special Operations Wing Types Pararescue Combat Control Team Special Reconnaissance Combat Rescue Officer Special Tactics Officer Combat Aviation Advisors Psychological Operations
Special mission units JSOC	Army 1st Special Forces Operational Detachment-Delta (Delta Force) Intelligence Support Activity (ISA / The Activity) Navy Naval Special Warfare Development Group (DEVGRU / SEAL Team Six) Air Force 24th Special Tactics Squadron (24 STS) Joint Communications Unit
Theater Special Operations Commands	SOCAFRICA SOCCENT SOCEUR SOCKOR SOCPAC SOCNORTH SOCSOUTH
Source: SOCOM 2013 Fact Book

• Special Operations Forces of the United States
• Military terminology