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Echo I

From Wikipedia, the free encyclopedia

Echo I or Echo 1 or variant, may refer to:

  • Echo I-class submarine of the Soviet Navy
  • Echo 1, a 1960 NASA Project Echo passive communications satellite that failed to make it to space
  • Echo 1A, a 1960 NASA Project Echo passive communications satellite that was NASA's first comm satellite, thus also referred to as "Echo 1"

See also

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