| Acronym | Meaning |
| SONAR | SOund Navigation And Ranging |
| ICS | In-Country Support - Intelligence And Communications Systems - Interim Contractor Support |
| CA | California (postal Symbol) - Canada (FIPS 10-4 Country Code; ISO 3166 Digram) - Catalonia -Civil Affairs - Close Armour - Computer Associates - Counter-Air |
| GAB | Gabon (ISO 3166 Trigram) |
| USAARMC | U.S. Army ARMor Center |
| CEI | Competitive Enterprise Institute |
| OPCON | Operational Control |
| HAI | Human Awareness Institute |
| TACSOP | Tactical SOP (Standing Operating Procedure) |
| ACMC | (U.S.) Assistant Commandant Of The Marine Corps |