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S-339, Division/Group Supervisor (ILT)

Course Title
Division/Group Supervisor (ILT)
Training Required For
DIVS 310-1 Training Path 01
Version Date

2015

Previous Certification Dates

2006-09
1997-03

Course Number
S-339
Course Description

This course prepares students to perform in the role of Division/Group Supervisor (DIVS). It provides instruction in support of the specific tasks of the Division/Group Supervisor, but will not instruct students in general management/supervision or in the Incident Command System (ICS), both of which the student should learn through prerequisite work. Topics include division or group management, organizational interaction, division operations, all-hazard operations, and tactical decision games (optional). The pre-course work consists of a professional reading assignment that can take from four to eight hours to complete. There is a final examination in this course.

Course Objective

At the successful completion of this course, the student will demonstrate an understanding of the duties required of a Division/Group Supervisor in preparation for completing position task book elements.

Prerequisite Qualifications Notes

ICT4 Incident Commander Type 4

Lead Instructor Minimum Qualifications
The lead instructor must be a qualified Operations Section Chief Type 2 (OSC2).
Format
Instructor Led
Special Delivery Considerations

These materials are needed above and beyond the usual items (pens, paper, flip charts, markers, etc.).
Sample Agenda
Map 1 and Map 2 for TDGS exercises will need to be printed on a plotter at a minimum size of 24" x 36".
Sand tables for TDGS exercises.

Course Updates
2015 Version
Optional materials have been developed to enhance the students understanding of the Wildland Fire Decision Support System (WFDSS) relative to the Division Group Supervisor position. Instructors who choose to use the optional materials to enhance the course should be familiar with the lesson and its contents and determine how it will be used in the course.

The materials are available here: http://wfdss.usgs.gov/wfdss/WFDSS_NWCG_WFDSS.shtml.

Business Steward
OMC Operations Management Committee
Unit Instructor Minimum Qualifications
Unit instructors must be qualified as Division/Group Supervisor (DIVS) or Incident Commander Type 3 (ICT3).
Alternate Delivery Mode
Not Applicable
Class Size Recommendations

The recommended class size is 25 to 30 students. The recommended student-to-instructor ratio is 5:1. Cadre members should be present for all instructional sessions. A minimum of three instructors should present this course; however, more instructors are required if a field exercise is incorporated. This is to enable strong mentorship by the cadre to the students.

Class Size Recommendations

The recommended class size is 25 to 30 students. The recommended student-to-instructor ratio is 5:1. Cadre members should be present for all instructional sessions. A minimum of three instructors should present this course; however, more instructors are required if a field exercise is incorporated. This is to enable strong mentorship by the cadre to the students.

NWCG Latest Announcements

Intermediate Faller (FAL2) Position Task Book Update

Date:  July 24, 2026
Questions? 
Please contact: Tree Felling Subcommittee

NWCG Operations Management Committee (OMC) has issued an update to the NWCG Position Task Book for Intermediate Faller (FAL2), PMS 311-91. To ensure clarity for both trainees and evaluators, the updated FAL2 Position Task Book (PTB) explicitly states who is authorized to sign off on your tasks:

“Evaluators must be qualified as a FAL2, or an Advanced Faller (FAL1).”

If you are currently working out of a previously published version of the FAL2 PTB, you do not need to restart. However, OMC highly encourages you to take the following step to prevent any confusion in the field:

  • Print and replace the updated evaluator information page (page 2) in your current physical PTB.

References:

Intermediate Faller (FAL2) Position Page

RMC Memo 26-01: Transition Plan for Implementing Updates to Intermediate Faller (FAL2) Position Qualifications

NWCG Position Task Book for Intermediate Faller (FAL2), PMS 311-91

Equipment Advisory 26-001: Potential Front Driveline Joint Failure on 2018 and Earlier Ram Pickups

Date:  July 10, 2026
Questions? 
Please contact: Equipment and Technology Subcommittee

The Logistics/Equipment Management Committee (LMC) has released Equipment Advisory 26-001: Potential Front Driveline Joint Failure on 2018 and Earlier Ram Pickups. This advisory highlights multiple U.S. Forest Service regions reporting front driveline joint failure incidents.

This advisory recommends firefighters and fire managers to: 

  • Follow all Ram-issued inspection, maintenance, and service guidance for front driveline joints. 
  • Consider installing a driveline loop. 
  • Coordinate with fleet managers and service providers to determine the most appropriate driveline loop kit for each pickup.

For further details, please refer to the complete advisory.

References:

Equipment Advisory 26-001: Potential Front Driveline Joint Failure on 2018 and Earlier Ram Pickups

Technical Service Bulletin: 03-002-21

NEW! NWCG Standard Operating Procedures, PMS 900

Date:  July 9, 2026
Questions? 
Please contact: NWCG Staff

NWCG is excited to announce the publication of the NWCG Standard Operating Procedures, PMS 900.

The new publication establishes general, consistent, and uniform standards for conducting business with the National Wildfire Coordinating Group.

References:

NWCG Standard Operating Procedures, PMS 900

Quarter Four Materials for the 2025-2026 Wildland Fire Leadership Campaign Now Available

Date:  July 8, 2026
Questions? 
Please contact: Leadership Development Subcommittee

NWCG is excited to announce that Fourth Quarter materials for the 2025/2026 Wildland Fire Leadership Campaign are now available. This annual initiative offers all students of leadership and wildland fire management an opportunity to engage with essential leadership skills and knowledge needed to lead effectively in dynamic environments.

Quarter Four materials focus on Leadership Level 4: Leader of Leaders (Provide Direction). Leadership Level 4 is where you are setting the conditions for others to do things well, even when you are not present. This quarter focuses on equipping experienced leaders with skills to provide direction, build trust across teams, and foster strong decision making. 

References:

2025/2026 NWCG Leadership Campaign - Leadership Levels

Wildland Fire Leadership Development Program

Leadership Development Subcommittee