S/SU/AC means Systems/ Systems Upgrades and Advanced Concepts in Military
Similar to S/SU/AC
2-D - Two-Dimensional201MIB - 201st Military Intelligence Battalion
20SCVI - 20th South Carolina Volunteer Infantry Regiment
21CLW - 21st Century Land Warrior
21CLWTLD - 21st Century Land Warrior Top Level Demonstration
24 MEU - 24th Marine Expeditionary Unit
24NAF - 24th Numbered Air Force
View all in Military