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The Defense Counterintelligence and Security Agency ( DCSA) is a federal security and defense agency of the United States Department of Defense (DoD) that reports to the Under Secretary of Defense for Intelligence. [1] DCSA is the largest counterintelligence and security agency in the federal government and is responsible for providing ...
Tactical communications are military communications in which information of any kind, especially orders and military intelligence, are conveyed from one command, person, or place to another upon a battlefield, particularly during the conduct of combat. It includes any kind of delivery of information, whether verbal, written, visual or auditory ...
Type. False alarm. On the morning of January 13, 2018, an alert was accidentally issued via the Emergency Alert System and Wireless Emergency Alert System over television, radio, and cellular networks in the U.S. state of Hawaii, instructing citizens to seek shelter due to an incoming ballistic missile. It concluded with "This is not a drill".
The Department of Defense Dictionary of Military and Associated Terms is a compendium of terminology used by the United States Department of Defense (DOD). The print version consists of 574 pages of terms and 140 pages of acronyms . It sets forth standard US military and associated terminology to encompass the joint activity of the Armed Forces ...
U.S. Department of Defense. On 24 February 2012, the Under Secretary of Defense for Intelligence published the publicly available DoDM 5200.01 DoD Information Security Program, a four-volume manual consolidating all marking of information on used by the U.S. Department of Defense.
Classified information in the United States. The United States government classification system is established under Executive Order 13526, the latest in a long series of executive orders on the topic of classified information beginning in 1951. [1] Issued by President Barack Obama in 2009, Executive Order 13526 replaced earlier executive ...
The warning is then disseminated to the public through terrestrial television and radio stations, online media, mobile app and SMS messaging through Emergency Mobile Alert (EMA); if a tornado has been sighted or indicated by radar within the warned area during the severe thunderstorm warning's duration, civil defense sirens, if present, are ...
The United States Army Signal Corps ( USASC) is a branch of the United States Army that creates and manages communications and information systems for the command and control of combined arms forces. It was established in 1860, the brainchild of Major Albert J. Myer, and had an important role in the American Civil War.