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Hace 22 horas · CBS Broadcasting Inc., commonly shortened to CBS (an abbreviation of its original name, Columbia Broadcasting System), is an American commercial broadcast television and radio network serving as the flagship property of the CBS Entertainment Group division of Paramount Global and is one of the company's three flagship subsidiaries, along with namesake Paramount Pictures and MTV.
Hace 22 horas · The National Broadcasting Company (NBC) is an American commercial broadcast television and radio network serving as the flagship property of the NBC Entertainment division of NBCUniversal, a subsidiary of Comcast.The headquarters of NBC is in New York City at the Comcast Building.NBC also has offices in Chicago at the NBC Tower.. Founded in 1926 by the Radio Corporation of America, NBC is the ...
Hace 22 horas · The Strategic Defense Initiative ( SDI ), derisively nicknamed the Star Wars program, was a proposed missile defense system intended to protect the United States from attack by ballistic nuclear missiles. The concept was announced in 1983, by President Ronald Reagan, [1] a critic of the doctrine of mutual assured destruction (MAD), which he ...
