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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

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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.

  • 2018

    Army unit conducts defensive patrols

    [1]

    In April, the 1st Battalion, 41st Infantry Regiment conducted ground defensive patrols in Helmand Province as a Task Force Southwest element.

  • 2017

    Task force established

    [1]

    The United States Marine Corps established Task Force Southwest for operations in Afghanistan under Operation Freedom's Sentinel and the Resolute Support Mission.

  • 2017

    Base-security operations begin

    [1]

    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.

  • Military operations · 2017

    Security and force-protection operations

    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.

  • Military advisory support · 2017

    Support to Afghan security-force assistance

    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.

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

  • 2017

    Creation of a dedicated southwest Afghanistan task forceStrategy

    Background

    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.

    Action taken

    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.

Sources2 sources

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