Definition of

Carson

  1. (noun, person) United States frontiersman who guided Fremont's expeditions in the 1840s and served as a Union general in the American Civil War (1809-1868)
  2. (noun, person) United States biologist remembered for her opposition to the use of pesticides that were hazardous to wildlife (1907-1964)

via WordNet, Princeton University

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an agency focused on ensuring that the United States military attains information superiority; operates worldwide ground sites and an array of airborne reconnaissance and surveillance platforms