Within the U.S. Army aides-de-camp were and are specifically appointed to general-grade officers. The usual tour of duty for aides is up to two years and the rank of the general officer being served is indicated on the device worn by the aide-de-camp.

Chrome plated with U.S. Army aide-de-camp insignia for an aide to a brigadier general and a U.S. air transport command emblem on the other side.