A war horse is a type of horse that is used in battle. The term 'CHARGER' is used to describe a large, powerful horse that is used for military purposes. A STEED is another term for a horse, usually referring to a horse that is used for riding or racing. A destrier is a type of war horse that is bred specifically for battle and is known for its strength and agility. The Old Guard is a term used to refer to the most experienced and reliable war horses that have been used in battle for many years.