Smoke screen

Fog warfare refers to a chemical warfare agent class. Main representatives in this class is fog acid. These substances produce dense, impenetrable fog. Some are impenetrable even to infrared radiation. In principle, purely defensive weapons to take the enemy's vision, they often also affect one's own view. Due to the short distance from their own troops, these agents require a low toxicity. However, many substances are harmful even in small quantities.

Also burning phosphorus can be used for mist generation. So decreed about the Light Artillery missile system the Bundeswehr smoke ammunition based on red phosphorus.