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  2. Army Knowledge Online - Wikipedia

    en.wikipedia.org/wiki/Army_Knowledge_Online

    Army Knowledge Online (AKO) was a web application that provided enterprise information services to the United States Army, joint, and Department of Defense customers. AKO was sunset in 2021. [1] The remaining following information is historical in nature. Enterprise services were provided to those customers on both classified and unclassified ...

  3. History of the United States Army - Wikipedia

    en.wikipedia.org/wiki/History_of_the_United...

    The history of the United States Army began in 1775, as part of the United States Armed Forces. The Army's main responsibility has been in fighting land battles and military occupation. The Corps of Engineers also has a major role in controlling rivers inside the United States. The Continental Army was founded in response to a need for ...

  4. List of military alliances - Wikipedia

    en.wikipedia.org/wiki/List_of_military_alliances

    Military alliances shortly before World War I.Germany and the Ottoman Empire allied after the outbreak of war. 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 that has not been identified in advance.

  5. United States military deployments - Wikipedia

    en.wikipedia.org/wiki/United_States_military...

    United States military deployments. The military of the United States is deployed in most countries around the world, with approximately 160,000 of its active-duty personnel stationed outside the United States and its territories. [1] This list consists of deployments excepting active combat deployments, including troops in Iraq, Syria, Yemen ...

  6. United States Army - Wikipedia

    en.wikipedia.org/wiki/United_States_Army

    The United States Army (USA) is the land service branch of the United States Armed Forces. It is one of the eight U.S. uniformed services, and is designated as the Army of the United States in the U.S. Constitution. [15] The Army is the oldest branch of the U.S. military and the most senior in order of precedence. [16]

  7. Structure of the United States Army - Wikipedia

    en.wikipedia.org/wiki/Structure_of_the_United...

    The United States Army is made up of three components: one active—the Regular Army; and two reserve components—the Army National Guard and the Army Reserve. Both reserve components are primarily composed of part-time soldiers who train once a month, known as Battle Assembly , Unit Training Assemblies (UTAs), or simply "drills", while ...

  8. NATO - Wikipedia

    en.wikipedia.org/wiki/NATO

    NATO. The North Atlantic Treaty Organization (NATO / ˈneɪtoʊ / NAY-toh; French: Organisation du traité de l'Atlantique nord, OTAN), also called the North Atlantic Alliance, is an intergovernmental military alliance of 32 member states —30 European and 2 North American. Established in the aftermath of World War II, the organization ...

  9. Military history - Wikipedia

    en.wikipedia.org/wiki/Military_history

    Military history. Infantry were the first military forces in history. This warrior statuette demonstrates that military culture was an important part of historical societies, c.480 BC, Staatliche Antikensammlungen. Military history is the study of armed conflict in the history of humanity, and its impact on the societies, cultures and economies ...