Io Station was a United Nations Space Command military platform, in orbit around Io, the third largest moon of Jupiter.


It picked up a communications fragment (located near Io) from the Prophet of Regret's fleet before it arrived in the Sol system.[1][2]

It contacted John-117 on the Forerunner dreadnought before the Spartan contacted Cairo Station on Earth during the Battle of Earth.[3]


  1. Halo 2 - Cairo Station
  2. Halo 2: Anniversary - Terminal 2 - Unyielding
  3. Halo: Uprising
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