A Silver color metal and enamel device 1 1/8 inches (2.86 cm) in height overall consisting of a shield blazoned: Per fess or and checky Sable and Argent on a pile in point party per fess Azure (Oriental Blue) and of the first an eagle's head couped of the third langued Gules. Attached below and to the sides of the shield ending at the top of the checky, a rounded Silver scroll inscribed "FROM INTELLIGENCE ACTION" in Blue letters.
Oriental blue is the color used for Military Intelligence units. The eagle's head with piercing eye representing vigilance, keenness of vision and swiftness of purpose, symbolizes the attributes inherent to the basic mission of the organization. The checkered area alludes to secrecy and compartmentalized information and, together with the inverted triangle formed from the heraldic pile, is indicative of the penetrative methods in the gathering of intelligence.
The distinctive unit insignia was originally approved for the 826th Military Intelligence Battalion on 4 December 1970. It was redesignated for the 326th Military Intelligence Battalion on 2 February 1995.