Insignia Description
A gold color metal and enamel device 1 3/16 inches (3.02 cm) in height overall consisting of an ellipse divided quarterly oriental blue and black, overall a vertical gold quillon dagger point up with white blade and six-sectioned red grip extending over the ellipse at the top and base.

Symbolism
Oriental blue is the color used for Military Intelligence. Black connotes secrecy and covert methods sometimes used in accomplishing the unit's mission. The four segments comprising the ellipse refer to the four phases of the intelligence cycle. The dagger signifies the aggressiveness and determination required for successful achievement in performance of intelligence operations. The color red denotes martial fortitude and the six sections of the dagger's grip refer to the initials LIDMAC (Loyalty, Integrity, Discretion, Morals and Character). In addition, the vertical thrust of the dagger, the ellipse, and the nine areas of the weapon (blade, guard, six-sectioned grip and pommel) allude to the numerical designation of the group.

History
The distinctive unit insignia was approved on 2 January 1969.

Source: The US Army Institute of Heraldry