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An S-400 surface-to-air missile system can be used as an A2/AD asset. [1] Anti-Access/Area Denial (or A2/AD) is a military strategy to control access to and within an operating environment. [2] In an early definition, anti-access refers to those actions and capabilities, usually long-range, designed to prevent an opposing force from entering an ...
The Terracotta Army is a collection of terracotta sculptures depicting the armies of Qin Shi Huang, the first emperor of China. It is a form of funerary art buried with the emperor in 210–209 BCE with the purpose of protecting him in his afterlife. The figures, dating from approximately the late 200s BCE, [1] were discovered in 1974 by local ...
The Great Heathen Army, [a] also known as the Viking Great Army, [1] was a coalition of Scandinavian warriors who invaded England in AD 865. Since the late 8th century, the Vikings [b] had been engaging in raids on centres of wealth, such as monasteries. The Great Heathen Army was much larger and aimed to conquer and occupy the four kingdoms of ...
The Joint Worldwide Intelligence Communications System (JWICS) is a secure intranet system utilized by the United States Department of Defense to house "Top Secret/Sensitive Compartmented Information" In day-to-day usage, the JWICS is used primarily by members of the Intelligence Community, such as the DIA within the DoD, and the Federal Bureau ...
The history of email entails an evolving set of technologies and standards that culminated in the email systems in use today. [1] Computer-based messaging between users of the same system became possible following the advent of time-sharing in the early 1960s, with a notable implementation by MIT 's CTSS project in 1965.
Russian web brigades, [a] also called Russian trolls, Russian bots, Kremlinbots, or Kremlin trolls are state-sponsored anonymous Internet political commentators and trolls linked to the Government of Russia. [1] [2] Participants report that they are organized into teams and groups of commentators that participate in Russian and international ...
The Dayton Peace Agreement left the country with three armies under two commands: the Bosniak and Bosnian Croat armies within the Federation of Bosnia and Herzegovina, facing their recent adversaries the Army of the Republika Srpska. These three forces together had around 419,000 personnel in regulars and reserves. [6]
United States Army enlisted rank insignia. The chart below shows the current enlisted rank insignia of the United States Army, with seniority, and pay grade, increasing from right to left. The enlisted ranks of corporal (E-4) and higher are considered non-commissioned officers (NCOs). The rank of specialist is also in pay grade E-4, but does ...