The term 'Force to be Reckoned With' can be summarized by the four-letter word 'ARMY'. An ARMY is a large organized group of people trained for land warfare. It is typically composed of infantry, cavalry, and artillery units, as well as support personnel such as engineers and medical personnel. Armies are usually organized and equipped by a government, and are used to protect and defend a nation or its interests. Armies have been used throughout history to fight wars, protect citizens, and maintain order.