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Good stuff Brad. Thanks for diving in more. I experienced this similar thought process when studying "lessons learned" reviews. When I began my career in the fire service the Spanish Ranch Fire (SLO/LPF) review was used for training, due to recency. The investigation involved fire behavior and crew actions more in the context of what you refer to (4S) with a real emphasis on the (at the time) 10&13. No real concentration of human "dynamics". This later, was an "a-ha" moment when Joseph Valencia published his book "area ignition" covering the Spanish Ranch Fire. The DARC was not only applied to fire behavior, but to human dynamic as well. Our own crews and personnel have a DARC aspect vs. 4S we should always consider blended in our fire environment.

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John: thanks for bringing up Spanish Ranch. I added a section on it in a subsequent post. It’s an important part of our history.

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“Our own crews and personnel have a DARC aspect vs. 4S we should always consider blended in our fire environment.”

Wow you could do a season of posts on that topic alone.

You're saying the DARC is multi-dimensional. It’s not just the fire but the human dimension.

You got me thinking: How many interpersonal disasters happen bc we assume people and relationships are fundamentally 4S?

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