MIL-STD-1189B

MIL-STD-1189B - Department of Defense Standard - Standard Symbology for Marking Unit Loads and Transport Packages

Organization: US DoD

Overview

Defines the LOGMARS profile: Code 39 with a mandatory mod-43 check character, a 3:1 wide-to-narrow ratio, and a strict quiet-zone requirement. LOGMARS labels are required on US military supply containers.

Why it matters for RFID

Every US military supply container, transport pack, and asset tag uses LOGMARS Code 39 labels per this standard.

Official document

https://quicksearch.dla.mil/qsDocDetails.aspx?ident_number=37875