Skip to main content

Ground Support Unit Leader

GSUL Incident Position Description

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.

Leadership Level 3, Leader of People (Develop Intent)

  • For additional information review Level 3 description, expected behaviors and knowledge, suggested development goals, and self-study opportunities.

Prepare and Mobilize

  • Ensure individual readiness.
  • Gather critical information pertinent to the assignment.
  • Travel to and check in at assignment.
  • Check in with incident supervisor and/or dispatch when arriving at the incident.
  • Review Incident Action Plan (IAP) and obtain briefing, objectives, and intent from supervisor.
  • Obtain briefing from previous shift/assignment position as necessary.

Build the Team

  • Assemble and validate readiness of assigned personnel and equipment.
  • Establish and communicate chain of command, reporting procedures, unit ordering protocols (who can order for the unit), risk management processes, and radio frequency management.
  • Establish and maintain positive interpersonal and interagency working relationships.
  • Establish a common operating picture with supervisors and subordinates.
  • Participate in operational briefings as directed.
  • Brief assigned personnel.
  • Identify assigned resources and maintain accountability.
  • Review and understand agreement/contract language and scope of work.

Supervise and Direct Work Assignments

  • Establish and communicate objectives, priorities, work assignments, and performance expectations.
  • Identify, analyze, and use relevant situational information to make informed decisions and take appropriate actions.
  • Adjust actions based on changing information and evolving situation awareness. Develop and implement contingency plans. Communicate changing conditions to assigned resources and supervisor.
  • Ensure incident objectives and performance standards are met.
  • Monitor performance and provide immediate and regular feedback to assigned personnel.

Perform Ground Support Unit Leader-Specific Duties

  • Coordinate with Logistics Section Chief (LSC) and/or Facility Unit Leader (FACL) on unit location and facilities, including:
    • Ground Support Unit work area
    • Equipment Inspection area
    • Fueling location – at basecamp or offsite
    • Heavy equipment staging area
    • Noxious weed washing station
  • Provide support for assigned resources, including fuel, equipment inspections, mechanical services and repairs, transportation and drivers, and rental vehicles.
  • Communicate changes in operations for ground support to incident resources.
  • Coordinate with Planning section and FACL to develop an incident transportation plan and map.
  • Establish a numbering system to track equipment, e.g. rental vehicles.
  • Coordinate with Operations section for placement of drop point signs.
  • Ensure signage is placed along transportation routes, drop points, staging areas, water sources, road junctions, and service locations.
  • Coordinate with other unit leaders on any equipment and support service needs necessary for the incident.
  • Coordinate with Finance/Administration section on incident facility contracts/agreements for services, equipment, and personnel.
  • Collect and record information on rental, contract, and agency equipment.
  • Provide fuel, service, maintenance, and repair of vehicles and other equipment.
  • Coordinate with home unit(s) regarding vehicle repairs for agency and cooperator equipment.
  • Coordinate maintenance and repair of incident roads.
  • Ensure pre- and post-use vehicle and equipment inspections are completed.
  • Ensure that Finance/Administration section has necessary inspection documentation for assigned resources.
  • Coordinate with other unit leaders to complete required documentation, objectives, and assignments.
  • Adjust work assignments as needed to meet operational support.
  • Provide for the safety and welfare of assigned resources.
  • Coordinate with other units to manage hazardous materials (e.g. fuel, oil, foam) according to applicable regulations.
  • Coordinate with safety officer and agency representative to ensure driver familiarity with conditions.
  • Identify environmental and political constraints for service, repair, and fueling areas.
  • Plan for potential changes in incident based on current and forecasted information.
  • Monitor restrictions/work requirements for each resource to maximize safe and efficient assignments and demobilization.
  • Establish and maintain positive internal and external interpersonal working relationships.
  • Assess and order needed support staff.
  • In the absence of Equipment Manager(s), assume that role, and responsibility.

Communicate and Coordinate

  • Communicate effectively using multichannel radios. Use plain language and Incident Command System (ICS) terminology.
  • Ensure assigned resources understand procedures for radio operation.
  • Follow established processes and chain of command for collecting, producing, and distributing information.
  • Ensure clear understanding of expectations and timely communication within and across ICS functional areas and chain of command.
  • Establish communications and exchange necessary briefings/information with the following:
    • Support resources
    • Adjacent resources
    • Supervisor
    • Other ICS functional areas
  • Conduct and/or participate in After Action Reviews (AAR).

Manage Risk

  • Apply the Risk Management Process as stated in the NWCG Incident Response Pocket Guide (IRPG), PMS 461:
    • Identify Hazards
    • Assess Hazards
    • Develop Controls and Make Risk Decisions
    • Implement Controls
    • Supervise and Evaluate
    • Ensure work rest protocols are adhered to
  • Plan for medical emergencies. Ensure that assigned resources are prepared to execute the Medical Plan (ICS 206 WF). Ensure familiarity with medical responders, communication procedures, and transportation plan. Manage the medical emergency based on procedures stated in the IAP, Medical Incident Report, or other relevant guidelines.
  • Monitor personnel for signs and symptoms of fatigue, illness, or injury. Mitigate appropriately.
  • Identify potential conflicts and resolve within the same operational period, if possible.

Document

Demobilize

  • Anticipate demobilization, identify excess resources, coordinate with Operations to prepare demobilization schedule, and communicate with supervisor.
  • Coordinate with Resources Unit and Demobilization Unit to assign demobilization times for personnel and vehicles, engines, crew carriers, and equipment to avoid congestion of inspection areas.
  • Plan for demobilization. Brief assigned resources on demobilization procedures and responsibilities. Ensure incident and agency demobilization procedures and work/rest driving standards are followed.
  • Return equipment and supplies to appropriate unit.
  • Ensure all documentation is provided to incoming team or documentation leader.
  • Complete demobilization checkout process before being released from the incident.
  • Upon demobilization, report status to home unit including reassignment or estimated time of arrival (ETA) to home unit.
  • During transfer of command:
    • Ensure continuity of operations.
    • Exchange critical safety information.
    • Communicate transfer of authority through established chain of command.

Return to top

USWDS Paragraph Bundles

Please Provide Feedback

Indicates required field

If you would like to provide feedback, NWCG values your constructive input.

Would you like a response?

Although contact information is optional, we hope that you provide a way for us to contact you in case we need clarification on your comment. If you would like to be contacted regarding your feedback, you must provide contact information. 

CAPTCHA
Image CAPTCHA
Enter the characters shown in the image.
This question is for testing whether or not you are a human visitor and to prevent automated spam submissions.
Last Modified / Reviewed:

NWCG Latest Announcements

2025 Wildland Fire EMS Awards

Date:  June 12, 2026
Questions? 
Please contact: Emergency Medical Committee

The NWCG Emergency Medical Committee (EMC) announces the recipients of the 2025 Wildland Fire Emergency Medical Service (EMS) Awards. EMC annually recognizes individuals and groups who have demonstrated outstanding actions or accomplishments that are above and beyond the expectation of one’s normal mission or job duties.

Congratulations to all the awardees and nominees. Through leadership and initiative, they have made significant contributions to the safety of the wildland fire community. These awards are well deserved.

References:

2025 Wildland Fire EMS Awards

Emergency Medical Committee

Incident Position Standards and the Next Generation Position Task Book Now Available for RAMP

Date:  June 12, 2026
Questions? 
Please contact: Airtanker Base Operations Unit

NWCG is excited to announce that Incident Position Standards and the Next Generation Position Task Book are now available for Ramp Manager (RAMP).

The Performance Support Package for this position was developed as part of the Incident Performance and Training Modernization effort. These resources support trainees, qualified personnel, and evaluators in their respective roles.

Any changes to qualification pathways will take effect with the next update of the NWCG Standards for Wildland Fire Position Qualifications, PMS 310-1, scheduled for release in January 2027.

References:

NWCG Ramp Manager Position Page

National Interagency Aviation Committee

Make an Impact: Serve the Wildland Fire Community as an IPTM SME!

Date:  June 11, 2026
Questions? 
Please contact: NWCG SME Specialist

Note: Positions with an * will last approximately 6 months.
Positions with ** will last 12 - 18 months.

NWCG is seeking experienced wildland firefighters and support personnel to serve as Subject Matter Experts (SMEs) for the Incident Performance and Training Modernization (IPTM) initiative. IPTM aims to transition NWCG’s training and qualification system to a performance-based model by updating position descriptions, Incident Position Standards, Next Generation Position Task Books (Next Gen PTBs), and training where needed.

NWCG is currently recruiting SMEs for the Fall 2026 positions listed below:

  • Equipment Manager (EQPM)*
  • Fixed Wing Parking Tender (FWPT)**
  • Mixmaster (MXMS)*
  • Public Information Officer Complex (PIOC)*
  • Retardant Crewmember (RTCM)*
  • Strike Team Leader Crew (STCR)*
  • Strike Team Leader Engine (STEN)*
  • Strike Team Leader Heavy Equipment (STEQ)*
  • Task Force Leader (TFLD)**
  • Wildland Fire Investigator (INVF)** 

Projects begin October 2026. Sign up by July 10, 2026, at the link below and review the attached document for additional details. 

References:

NWCG SME Interest Sign-up

IPTM Subject Matter Expert Duties and Expectations Document

Incident Performance and Training Modernization (IPTM)

RMC Safety Bulletin 26-001: Rhabdomyolysis in Wildland Firefighters

Date:  May 28, 2026
Questions? 
Please contact: Risk Management Committee

The Risk Management Committee (RMC) has issued Safety Bulletin 26-001: Rhabdomyolysis in Wildland Firefighters. Research from 2016 to 2025 shows that 88 cases of rhabdomyolysis (rhabdo) were reported. Analysis of reports from eSafety, the Safety Management Information System (SMIS), and the Wildland Fire Lessons Learned Center (LLC) indicates that rhabdo is common during this time of year due to Work Capacity Tests and contributing factors such as weather, hydration, nutrition, and medication or supplement use.

RMC issued this safety bulletin to raise awareness in the Wildland Fire Community, and to provide research findings and educational resources that support reducing future cases of rhabdo.

References:

NWCG Alerts

RMC Safety Bulletin 26-001: Rhabdomyolysis in Wildland Firefighters