S-339, Division / Group Supervisor, 2015

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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.


  • 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.

Target Group

Personnel desiring to be qualified as a Division/Group Supervisor (DIVS). 


S-339 is available as classroom instructor-led training.

Course Components and Hours to Complete

Course ComponentCourse Time
Pre-course work4-8
Pre-selection assessmentN/A
Online trainingN/A
Instructor-led training18-20
Total Hours22-28

Session Offerings

Nationally advertised course sessions can be found by searching for S-339 on the National Wildland Fire Training website. Contact your local Training Officer for more information about local course sessions.

Prerequisite Qualifications and Training

  • Qualified as Task Force Leader (TFLD), OR Qualified as Incident Commander Type 3 (ICT3),


  • Qualified as Incident Commander Type 4 (ICT4) and any two Strike Team Leader positions (one must be STCR or STEN).


  • Satisfactory completion of pre-course work.

Course Level

Regional, state, or area


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