An Ammunition is generally anything that can be used in combat including bombs, missiles, warheads, landmines, naval mines, and anti-personnel mines. The collective term for all types of ammunition is munitions.

The purpose of ammunition is to project force against a selected target. However, the nature of ammunition use also includes delivery or combat supporting munitions such as pyrotechnic or incendiary compounds. Since the design of the cartridge, the meaning has been transferred to the assembly of a projectile and its propellant in a single package.

Ammunition involves the application of fire to targets, general use of weapons by personnel, explosives and propellants, cartridge systems, high explosive projectiles (HE), warheads, shaped charge forms of attack on armour and aircraft, carrier projectiles, fuzes, mortar ammunition, small arms ammunition, grenades, mines, pyrotechnics, improved conventional munitions, and terminally guided munition.

vCalc's Ammunition folder contains all sorts of equations that relate to the use of munitions.