Wildfire field guide · 2026 terminology
Direct Extinguishment vs Indirect Confinement: the updated federal wildfire strategies.
Federal wildfire reporting in 2026 uses two clearer strategy labels. One engages the active flame front directly; the other works away from the flame front to steer or contain the fire.
2026 update
Two strategy names now frame federal suppression reporting.
The 2026 federal Interagency Standards for Fire and Fire Aviation Operations defines Direct Extinguishment Strategy as firefighters engaging the active flame front directly to stop fire spread, and Indirect Confinement Strategy as firefighters working away from the active flame front to steer or contain the fire.
Firefighters work directly against the burning edge with the objective of stopping spread, consistent with safety, fire behavior and available resources.
Firefighters use locations away from the active edge to steer or contain the fire, often taking advantage of terrain, barriers or constructed control features.
Why the wording changed
The goal is clearer public and operational reporting.
NIFC says the updated terminology is intended to standardize strategy descriptions, reduce confusion and make clearer that all wildfire responses are active, deliberate efforts to control fire while protecting life, property, infrastructure and the environment.
What about “direct attack”?
Tactical terms still appear in NWCG terminology.
NWCG continues to define direct attack as treatment applied directly to burning fuel—such as wetting, smothering, chemical quenching or physically separating burning from unburned fuel. NWCG also defines indirect attack as suppression in which control line is placed a considerable distance from the active edge, commonly for fast-spreading or high-intensity fire.
So readers may encounter both sets of terms. The safest approach is to distinguish the newer strategy labels used in federal reporting from the operational/tactical language that still exists in wildfire doctrine and training.
Why indirect?
Distance from the flame front can be part of the strategy.
- Fire behavior may be too intense for safe direct engagement.
- Terrain may make the active edge inaccessible.
- Roads, ridges, rivers, fuel breaks or other control features may offer stronger positions.
- Crews may need time and space to construct line safely.
- Firing operations may be used under command to remove fuels between an indirect line and the main fire.
Sources