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Note: the WWII version of this is SOI- Adobe PDF icon.png Signal Operations Instructions

Adobe PDF icon.png Subcourse AR 0121 - Armor Communications Procedures

Discusses communications processes and the use of the CEOI in armor units

Adobe PDF icon.png TC 24-2

Communications Electronics Operating Instructions
The Automated "CEOI"
31 December 1975

Adobe PDF icon.png Signal Subcourse 068 Division Signal Orders and Reports

Discusses Use of the CEOI