Shield
Azure, a wall embattled Argent, maconn de Sable, between in chief a cross pate and a five-bastioned fort voided, and in base a buffalo statant of the second.
Crest
On a wreath of the colors, Argent and Azure, a sea lion erect Or armed and langued Gules grasping in its dexter claw two arrows Sable, armed and flighted Gules.
Motto
TRUTH AND COURAGE.
Shield
The shield is blue for Infantry. Service in the Civil War is shown by the white cross pate, the badge if the 5th Army Corps in the Army of the Potomac, and by the stone wall which symbolizes the famous stone wall at Fredericksburg. The five-bastioned fort was the badge of the 5th Army Corps in Cuba. The buffalo represents service in Korea. It was adopted as a symbol of the unit while it served there.
Crest
The sea lion is taken from the Spanish arms of Manila, and the arrows represent Indian campaigns.
The coat of arms was originally approved on 15 Mar 1921. It was amended by the addition of the buffalo for Korean service on 5 May 1952. The coat of arms was amended on 1 May 1990 to revise the blazon and symbolism of the design.