At least two dozen countries are confirmed to have at least one member in the expedition. It is composed of the representatives of several nations, but the leaders of the committee seem to be the United States, the United Kingdom, France, Russia, and China. However, numerous nations have sent people to Atlantis.

The list below are the flags that were seen on the flagpatches on the expedition members;


  • The 'committee leaders' listed above were the permanent members of the UN Security Council at the time the series was created.

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