DA PAM 670-1: 21-17. Shoulder sleeve insignia, current organization
Quick Answer
SSI is worn centered on the left sleeve pocket flap of the ACU. On service uniforms, it is worn 1/2 inch below the shoulder seam. The SSI identifies current unit assignment.
Important
Unit and command policies may be more restrictive than AR 670-1. Always verify with your chain of command for local policies.
Official Source
View DA PAM 670-1, Section 21-17 (Pages 249-250)Full Details
21-17. Shoulder sleeve insignia, current organization
a. Authorization. See AR 670-1 for authorization to wear SSI.
b. The U.S. Army logo. The U.S. Army logo may be worn when authorized by the Chief of Staff of the Army, provided the shape, colors, and stylistic design of any such patch conform with the design of the logo as prescribed by the Assistant Secretary of the Army (Manpower and Reserve Affairs). When worn on a uniform, the logo will not be accompanied by the trademark symbol. The U.S. Army logo patch is not considered a distinctive insignia in the same manner as the SSI. The U.S. Army logo patch is authorized for wear by the following:
(1) U.S. Army Accessions Command.
(2) U.S. Army Accession Command Support Brigade.
(3) U.S. Army Combat Readiness Center.
(4) Officer and enlisted personnel assigned to Headquarters, Department of the Army (HQDA) (HQDA staff only).
(5) Initial entry training and one station unit training Soldiers.
c. How worn.
(1) Subdued. All personnel will wear the subdued SSI centered on the hook-and-loop pad provided on the left sleeve of the utility uniforms. The SSI is worn centered both horizontally and vertically from the top of the pocket to the bottom of the pocket (see fig 21-135). If a brassard is worn, the SSI will be worn centered from the bottom of the brassard to the bottom of the pocket. Personnel will not wear the subdued SSI on the garrison culinary uniform. Soldiers will not sew the SSI on the combat uniform.
(2) Nonsubdued. Nonsubdued SSI of an individual's current organization will be worn centered on the left sleeve 1/2 inch below the top of the shoulder seam on the coats of the AGSU for all personnel (see fig 21-137) (see para 22-16f for wear with special skill or marksmanship tabs).
Related Figures

Figure 21-135: Wearing shoulder sleeve insignia, current organization
DA PAM 670-1, Page 250
Figure 21-135 from DA PAM 670-1
View in PDF
Figure 21-137: Wearing shoulder sleeve insignia on the Army green service uniform
DA PAM 670-1, Page 251
Figure 21-137 from DA PAM 670-1
View in PDFRelated Topics
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Disclaimer: This information is provided for educational purposes only. AR670.com is not an official U.S. Army resource. Always verify guidance with official publications and your chain of command.