Transportation of fireline personnel to and/or from assigned fireline locations.

According to the American Meteorological Society, background, environmental, or surrounding air.

An incident that is a scheduled non-emergency activity (e.g., sporting event, concert, parade).

General term for manifestations of convection in the atmosphere, alluding particularly to the development of convective clouds and resulting weather phenomena, such as showers, thunderstorms, squalls, hail, tornadoes, etc.

Firefighters initially attacking a fire, usually the first to arrive at the fire scene.

Permanently installed supply private fire pumps which depend upon suction sources.

Extinguishing or removing burning material near control lines, felling snags, and trenching logs to prevent rolling after an area has burned, to make a fire safe, or to reduce residual smoke.

Air which has a high moisture content and the temperature characteristics of an ocean surface due to extensive exposure to that surface. An intrusion of marine air will moderate fire conditions. Absence of marine air in coastal areas may lead to more severe fire danger. 

Small portable pump that floats in the water source.

To draw in gases (or other substances); nozzle aspirating systems draw air into the nozzle to mix with the foam solution.