1st Information Operations Battalion (Left) Unit Crest (Custodian Indicium Ausum)

The distinctive unit insignia (DUI) worn by the 1st Information Operations Battalion features the motto "Custodia Indicium Ausum," translating to Protection Information Exploitation. Symbolically, the black knight chess piece represents Psychological Warfare, the red dragon signifies Information Warfare, and the blue knight's helm suggests the protection of the information domain. This DUI for the 1st Information Operations Battalion received approval in 2007. Unit crests are worn on the Army Class A Service Green and Army Service Uniform (ASU).

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