Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Firepower is the military capability to direct force at an enemy. It is not to be confused with the concept of rate of fire, which describes cycling of the firing mechanism in a weapon system. It involves the whole range of potential weapons. The concept is taught as one of the key principles of modern warfare wherein the enemy forces are destroyed or have their will to fight negated by sufficient and preferably overwhelming use of force as a result of combat operations.