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The headquarters of the D.E.O. is located in a desert in the United States, acting as one of several facilities used by the organization.

History

The department and headquarters were founded by U.S government to investigate the aliens that could possibly invade Earth.[1]

The D.E.O. are shown to have another facility in National City.[2]

Known inmates

Current inmates

Former inmates

Appearances

Supergirl


Comics

Adventures of Supergirl

Gallery

References