List of military alliances Wikipedia. 22 rows  This is the list of military alliances. A military alliance is a formal agreement between two or more parties concerning national security in which the contracting parties agree to mutual protection and support in case of a crisis.

List of military alliances Wikipedia
List of military alliances Wikipedia from cdni.rbth.com

Military alliances are related to collective security systems but can differ in nature. An early 1950s memorandum from the United States Department of State explained the difference by noting that historically, alliances "were designed to advance the respective nationalistic interests of the parties, and provided for joint military action if one of the parties in pursuit of such objectives became involved in war." A collective security arrangement "is directed against no one; it is directed solely.