Ammunition designed to ignite targets upon impact raises complex legal and ethical questions within the context of armed conflict. Such weapons can include tracer rounds with incendiary effects, white phosphorus munitions, and specialized pyrotechnic projectiles. A key example is the debate surrounding white phosphorus, used for illumination, creating smokescreens, and target marking, but which can also cause severe burns.
The legality and acceptability of these weapons are influenced by factors such as the intended target (military objectives versus civilians), the potential for indiscriminate harm, and the overall proportionality of their use. International humanitarian law, including the Geneva Conventions and its protocols, seeks to balance military necessity with the imperative to minimize human suffering. Historical precedents, like the use of incendiary weapons in World War II, have shaped international discourse on the subject, leading to treaties and customary norms attempting to regulate their deployment.