A silver color metal and enamel device 1 1/8 inches (2.86 cm) in height overall consisting of an upright silver sword, crossed laterally by a placer miners pan, embattled horizontally red and silver, emitting a gold rising sun all within a red symmetric scroll angling outwardly to edge of pan from tip of sword, then curving downward over hilt, bearing the inscription WITH SWORD and on the lower portion AND KNOWLEDGE in silver letters.
Scarlet and white (silver) are the colors used for Engineers. The placer mining pan, an engineers tool, suggested by the shoulder sleeve insignia of the 49th Infantry Division, refers to the units descent, while the embattlements denote fortifications, built or demolished. The sword and sun reflect the motto with the sword relating to leadership and the sun to light. The pan and sun are used to symbolize the Golden State and the scroll simulates the Sacramento River around Redding, the units homesite.
The distinctive unit insignia was approved on 6 June 1969. It was rescinded on 27 December 1974.
NOTE: This Battalion was never authorized a coat of arms.