Description
On a white square 2 1/4 inches (5.72 cm) on each side point up with a 1/8 inch (.32 cm) white border, a scarlet square voided of the field bearing a scarlet saltire, superimposed by a yellow castle tower.

Symbolism
Scarlet and white are the colors traditionally used by the Engineer Corps. The scarlet saltire refers to the Cross of St. Andrew of the Alabama State Flag, signifying the unit’s ties with their home state. The four white squares highlight the following primary missions of the Army Engineers: mobility, countermobility, survivability, and sustainment. The gold castle tower is adapted from the branch insignia of the Corps of Engineers.

Background
The shoulder sleeve insignia was approved on 9 November 2006. (TIOH Dwg. No. A-1-902)