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Ground Support Unit Leader*

GSUL decorative banner: photos depicting GSUL position. GSUL Position Description: The Ground Support Unit Leader (GSUL) is responsible for transporting personnel, supplies, food, and equipment; fueling, servicing, maintaining, and repairing vehicles and other ground support equipment; supporting out-of-service resources; and developing and implementing the Incident Transportation Plan.

The Ground Support Unit Leader (GSUL) is responsible for managing, organizing, and supervising the Ground Support Unit on wildland fire incidents and provides support functions for transportation, fuel, and equipment repairs to all sections on the incident. The GSUL supervises Equipment Manager(s) (EQPM), contractors, and driver(s) and reports to the Logistics Section Chief (LSC) or Support Branch Director (SUBD). The GSUL works in the Logistics functional area.

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Logistics Section Chief (LSC3) Communications Unit Leader (COML) Incident Communications Technician (COMT) Incident Communications Center Manager (INCM) Medical Unit Leader (MEDL) Food Unit Leader (FDUL) Supply Unit Leader (SPUL) Ordering Manager (ORDM) Receiving/Distribution Manager (RCDM) Facilities Unit Leader (FACL) Base Camp Manager (BCMG) Ground Support Unit Leader (GSUL) Equipment Manager (EQPM) Security Manager (SECM) Radio Operator (RADO) Logistics Section Chief (LSCC)

The Forest Service and Department of Interior are enabled by Administratively Determined Pay Plans (AD Pay Plans) to hire persons for temporary duration for the following reasons:

  1. To cope with a sudden and unexpected emergency caused by a fire, or extreme fire potential, flood, storm, or any other all-hazard emergency that threatens damage to federally protected property, has the potential to cause loss of life, serious injury, public health risk, or damage to natural or cultural resources unless brought under immediate control.
  2. To provide emergency assistance to states under formalized agreements.
  3. To meet mission assignments issued by the Federal Emergency Management Agency (FEMA).

The National Wildfire Coordinating Group (NWCG) Incident Business Committee (IBC) reviews positions annually and establishes pay rate classifications for each position.

For more information on the AD Pay Plans, visit Incident Business Committee.

Date: Jan 2026

Added:

Other Training Which Supports Development of Knowledge and Skills

  • S-320, Introduction to Incident Management Teams

Removed:

  • Logistics Section Chief Type 1 (LSC1) and Logistics Section Chief Type 2 (LSC2) removed from “Maintains Currency for GSUL”
  • LSC1 and LSC2 removed from “GSUL Maintains Currency for these Positions”
Date: Jan 2024

Updated Positions Qualification Requirements as follows: 

Deleted from  "These Positions Maintain Currency For GSUL":

  • Service Branch Director (SVBD)
  • Support Branch Director (SUBD)

Deleted from " GSUL Maintains Currency For These Positions":

  • Support Branch Director (SUBD)
Date: Jan 2023

Added:

  • Logistics Section Chief Complex (LSCC) to These Positions Maintain Currency For GSUL
  • Logistics Section Chief Complex (LSCC) to GSUL Maintains Currency For These Positions
Date: Apr 2021

Added: Incident Position Description (IPD) approved.

Date: Oct 2019

Added: to Qualification Requirements:  Note: Once qualified as a GSUL, the LSC3 qualification may be granted by the certifying official. Certification must be documented on a “verification/certification” page of the LSC3 Position Task Book (311-35).

Date: Oct 1984

Position created.

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Primary Committee: Incident and Position Standards Committee
Steward: Incident Logistics Subcommittee


Last Modified / Reviewed:

NWCG Latest Announcements

2026 Updates to the NWCG Standards for Wildland Fire Position Qualifications, PMS 310-1

Date: January 23, 2026
Questions? 
Please contact: Incident and Position Standards Committee

The Incident and Position Standards Committee has updated the NWCG Standards for Wildland Fire Position Qualifications, PMS 310-1.

These updates address changes to incident position names and requirements for qualification, training, and experience. Updates related to the implementation of Complex Incident Management (CIM) and Incident Performance Training Modernization (IPTM) are also included.

The NWCG Wildland Fire Position Qualification Flowchart, PMS 308 has also been updated to reflect the recent changes.

References:

NWCG Standards for Wildland Fire Position Qualifications, PMS 310-1

NWCG Wildland Fire Position Qualification Flowchart, PMS 308

IPSC Memo 26-01: January 2026 Updates to the NWCG Standards for Wildland Fire Positions Qualifications, PMS 310-1

Incident Business Committee Memo 26-01: Updated Emergency Equipment Shift Ticket, OF 297

Date: January 22, 2026
Questions? 
Please contact: Incident Business Committee

The Incident Business Committee (IBC) has released Memorandum 26-01: OF 297 and 2026 Fire Use. This memo informs the wildland fire community that the updated Emergency Equipment Shift Ticket, OF 297 is available for download and can be ordered through the Great Basin Cache.

Beginning January 15, 2026 the previous version of the OF 297 form has been discontinued.

For further details, please contact your IBC representative.

References:

Incident Business Committee Memorandum 26-01

Great Basin Cache

NEW! S-390, Introduction to Wildland Fire Behavior Calculations (Blended) Available Now

Date: December 22, 2025
Questions about RT-130? 
Please contact: Fire Behavior Subcommittee

NWCG is excited to announce that the new S-390, Introduction to Wildland Fire Behavior Calculations (Blended) training is now available on the Wildland Fire Learning Portal.

This third course in the series combines online and instructor-led training components aimed at individuals who are involved in planning, managing, and executing wildland fire and prescribed burn operations; who require a thorough understanding of fire behavior calculations to enhance effectiveness and safety. This includes students who require the knowledge and skill necessary to perform the duties of a Type 3 Incident Commander (ICT3), Division/Group Supervisor (DIVS), or Prescribed Fire Burn Boss Type 2 (RXB2).

Students are required to be qualified as any Single Resource Boss position and complete the prerequisite S-290, Intermediate Wildland Fire behavior (Blended) course, before enrolling in S-390.

References:

S-390, Introduction to Wildland Fire Behavior Calculations (Blended)

Wildland Fire Learning Portal

NEW! S-320, Introduction to Incident Management Teams (Blended) Available Now

Date: December 18, 2025
Questions about RT-130? 
Please contact: Incident and Position Standards Committee

NWCG is excited to announce that S-320, Introduction to Incident Management Teams (Blended) is now available on the Wildland Fire Learning Portal!

This blended course combines online learning with instructor-led training, designed for individuals seeking to build leadership skills and gain experience in incident management.

Students are required to complete the prerequisite trainings ICS-100, Introduction to Incident Command System (ICS), ICS-200, Basic ICS for Initial Response, and ICS-700, An Introduction to the National Incident Management System (NIMS) prior to attending S-320.

References:

S-320, Introduction to Incident Management Teams (Blended)

Wildland Fire Learning Portal