| Acronym | Meaning |
| PSI | Portable Source Initiative |
| ICMP | Internet Control Message Protocol |
| FOO | Forward Observation Officer |
| SAWE | Society Of Allied Weight Engineers |
| RATELO | Radiotelephone Operator |
| CST | Central Standard Time (UTC-6 Hours) |
| GTQ | Guatemalan Quetzal (ISO 4217 Currency Code) |
| LAT | Lowest Astronomical Tide (nautical Charts) |
| ZT | Zettatesla |
| NEX | Navy EXchange |