Incident Position standards are a component of NWCG standards. They enable consistent and uniform performance by personnel mobilized by position under NIMS-ICS principles. Incident position standards include incident position descriptions (duties and responsibilities) and position qualification requirements for training, experience, physical fitness, and position currency.

An area representative of the major fire problems on a protection unit. Base fuel model and slope class are chosen from the base area.

Tree that has been uprooted or broken off by wind.

Angled or horizontal char or scorch pattern created on standing fuels as fire burns up to, past and beyond, indicating the direction of fire progression at that point. One of the 11 NWCG categories of fire pattern indicators.

The side of an object opposite the oncoming fire and therefore shielded from the oncoming fire by the object itself.

Velocity of an aircraft in its flight path relative to the air through which it is moving.

Layer of clouds whose ratio of dense sky cover to total sky cover is 1/2 or less.

A low expansion foam type with no expansion, therefore lacking bubble structure, which is used for mopup and flame knock down.

A natural or manmade change in fuel characteristics which affects fire behavior so that fires burning into them can be more readily controlled.

Landscaped and regularly maintained fuel break, usually put to some additional use (e.g., golf course, park, playground).