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Echo I

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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

Topics referred to by the same term Disambiguation iconThis disambiguation page lists articles associated with the title Echo I.
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