Task Force Southwest
Task Force Southwest was a United States military task force established in 2017 to support security and advisory operations in Afghanistan.
Last updated August 26, 2026
History
Task Force Southwest was established by the United States Marine Corps in 2017 for service in Afghanistan under Operation Freedom's Sentinel and the NATO-led Resolute Support Mission. Its creation reflected the structure of the post-2014 international mission, in which coalition forces concentrated on advising and assisting Afghan security institutions while maintaining sufficient protection for personnel, bases, and movement in areas exposed to insurgent attack. The task force operated in southern Afghanistan, including Helmand Province. From October 2017 to April 2018, the 1st Battalion, 24th Marines performed base-security missions for military advisers working with the Afghan National Army. The assignment placed Marines in a protective role around facilities and personnel supporting the advisory mission. Such security work was an essential enabling function: it reduced the vulnerability of advisers and helped preserve the continuity of cooperation with Afghan forces. In April 2018, the United States Army's 1st Battalion, 41st Infantry Regiment, from the 2nd Infantry Brigade Combat Team, 4th Infantry Division, conducted ground defensive patrols in Helmand Province as part of Task Force Southwest. The patrol mission broadened the publicly documented picture of the task force beyond base defense. Its personnel also operated outside fixed installations to help protect the area of operations from enemy activity. The available reference material does not establish a complete chronology after these activities, identify every unit assigned to the formation, or state a formal deactivation date. It also does not provide a detailed list of commanders or a separate headquarters location. Task Force Southwest is therefore best understood as a time-limited operational formation within the U.S. and allied military presence in Afghanistan, rather than as a permanent independent organization.
- 2018Army unit conducts defensive patrols
In April, the 1st Battalion, 41st Infantry Regiment conducted ground defensive patrols in Helmand Province as a Task Force Southwest element.
- 2017Task force established
The United States Marine Corps established Task Force Southwest for operations in Afghanistan under Operation Freedom's Sentinel and the Resolute Support Mission.
- 2017Base-security operations begin
Beginning in October, the 1st Battalion, 24th Marines conducted base-security missions supporting military advisers working with the Afghan National Army.
Products and positioning
A U.S. military task force focused on force protection and operational support for coalition advising activities and Afghan security-force assistance in southern Afghanistan.
Security and force-protection operationsMilitary operations2017
Task Force Southwest's documented activities included securing bases and conducting defensive ground patrols. These functions protected coalition personnel, military advisers, facilities, and the task force's area of operations from hostile activity.
Support to Afghan security-force assistanceMilitary advisory support2017
The task force supported the wider Resolute Support effort by protecting personnel involved in advising and assisting the Afghan National Army. The available sources describe this as an operational support role rather than an independent training product or commercial service.
Flagship businesses
- Base security in support of military advising activities
- Ground defensive patrols and protection of the operational area
- Support to the Resolute Support Mission and Operation Freedom's Sentinel
Marketing campaigns
- 2017Operation Freedom's Sentinel
Afghanistan
Task Force Southwest was established to conduct operations in Afghanistan as part of Operation Freedom's Sentinel, the United States mission that followed the main NATO combat mission.
- 2017Resolute Support Mission
Afghanistan
The task force operated within the NATO-led Resolute Support framework, supporting the protection of personnel involved in advising and assisting Afghan security forces.
Brand decisions
- 2017Creation of a dedicated southwest Afghanistan task forceStrategy
The post-2014 Afghanistan mission required coalition forces to protect advisory personnel and support Afghan security institutions in areas where insurgent activity remained a threat.
What changed. The United States Marine Corps established Task Force Southwest for operations under Operation Freedom's Sentinel and the Resolute Support Mission.
Aftermath. The formation supported base-security missions and later included ground defensive patrols in Helmand Province.
Sources
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