Gules, a bend wavy between the chief semé of bird bolts and in base a seal couchant on a rock Or.
That for the regiments and separate battalion of the Alabama National Guard: On a wreath of the colors, Or and Gules, a slip of cotton plant with full bursting boll, Proper.
STRIKE FAST AND SURE
Scarlet and yellow are colors used for the Artillery. The bird bolts symbolize the antiaircraft mission of the organization. The wavy diagonal band represents the Tennessee River which courses through the area of Alabama in which the battalion was reorganized. The seal denotes the unit's origin as a Coast Artillery battalion, its activation at Alaska and World War II service in the Pacific area.
The coat of arms was originally approved for the 276th Antiaircraft Artillery Battalion on 12 May 1955. It was redesignated for the 279th Signal Battalion on 3 Jan 1963.