Battalion and higher elements consolidate reports and decide which to forward. It is used to pass evaluated data to units, usually by division level or higher elements. Each unit evaluates the NBC-3 report, determines which of its subordinate units may be affected, and further disseminates the report as required. This report is usually disseminated as a map overlay by division level elements. It is primarily used as an intelligence tool to help determine future enemy intentions.
Nerve agents enter the body through breathing, by ingestion, or absorption through the skin.
They affect the nervous and the respiratory systems and various body functions. These agents are generally released as aerosols, gases, vapors, liquids, or solids. Generally may be in a solid or liquid state. The fact that it is in solid form at room temperature with a very low vapor pressure hinders its effective use as a chemical warfare agent.