| Acronym | Meaning |
| SIS | UK Secret Intelligence Service (also Known As MI6) |
| ICO | Intermediate Circular Orbit |
| CNE | Canadian National Exhibition - Computer Network Exploitation - Certified Network Engineer |
| CS | Combat Support - Computer Scientist -Costa Rica (FIPS 10-4 Country Code) - Serbia And Montenegro (ISO 3166 Digram) |
| MIS | Management Information Systems - Museum Information System |
| SMCT | Soldier's Manual Of Common Tasks |
| UNLV | University Of Nevada |
| LMAO | Laughing My Ass Off (Internet Short-hand) |
| NASA | National Aeronautics And Space Administration |
| ADOA | Air Defence Operations Area |