noun

• The branch of military intelligence concerned with the monitoring, interception, and interpretation of radio and radar signals.

  ‘This data will primarily come from imagery intelligence, human intelligence, and signals intelligence.’

  More example sentences

  • ‘The lightning bolt represents electronic warfare and signals intelligence and the globe symbolizes worldwide capabilities.’
  • ‘Second, espionage is often essential to providing an indication, a tip, a direction for targeting and using technical intelligence assets, such as reconnaissance or signals intelligence.’
  • ‘The importance and the share of signals intelligence among other types of intelligence were constantly growing during the war.’
  • ‘With further refinements, technology will allow selected personnel to track and identify targets by fusing imagery; signals intelligence, and input from other sensors.’