Noun nro has 1 sense
  1. National Reconnaissance Office, NRO - an intelligence agency in the United States Department of Defense that designs and builds and operates space reconnaissance systems to detect trouble spots worldwide and to monitor arms control agreements and environmental issues and to help plan military operations
    --1 is a kind of United States intelligence agency
    --1 is a part of
     Department of Defense, Defense Department, United States Department of Defense, Defense, DoD
    --1 is a member of
     Intelligence Community, National Intelligence Community, United States Intelligence Community, IC
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