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Army Knowledge Online (AKO) was a web application that provided enterprise information services to the US Army and DoD customers. AKO was sunset in 2021 and replaced by Defense Knowledge Online.
SIPRNet is a system of interconnected computer networks used by the U.S. Department of Defense and the U.S. Department of State to transmit classified information. It is the secret component of the Defense Information Systems Network and has a domain structure and naming convention similar to the open internet.
Learn about the origins and evolution of military mail, the postal services provided by armed forces to their members. Find out how the British Army Post Office Corps, the German Feldpost, and the US Army Postal Service operate today.
The United States Army is the land service branch of the U.S. Armed Forces and the oldest branch of the military. It has its roots in the Continental Army, which fought for independence in the American Revolutionary War, and has participated in conflicts worldwide since then.
DISA is a DoD combat support agency that provides IT and communications support to the U.S. military and other defense organizations. DISA offers various services such as command and control, multinational information sharing, computing, contracting, and enterprise engineering.
JWICS is the Joint Worldwide Intelligence Communications System that houses top secret and sensitive compartmented information for the US Department of Defense and the Intelligence Community. It was accessed by Chelsea Manning and Jack Teixeira to leak sensitive documents to WikiLeaks and expose US military actions in Iraq and Ukraine.
Learn about the history, doctrine, and capabilities of information operations in the U.S. military, including the Army's role and units. Information operations are the integrated employment of electronic warfare, cyber, psychological, deception, and security operations.
The web page explains the complex organizational structure of the United States Department of Defense (DoD) and the chain of command from the President to the Secretary of Defense and the Unified Combatant Commanders. The non-operational chain of command runs from the President to the Secretary of Defense and then to the Secretary of the Army, Navy, Air Force, or Space Force.