| Acronym | Meaning |
| MBBL | (U.S. Armor Center) Mounted Battlespace Battle Laboratory |
| PLIF | Planar Laser-Induced Fluorescence |
| SL | Sierra Leone (ISO 3166 And FIPS 10-4 Country Code Digram) -Start Line |
| IAI | International African Institute - Israel Aircraft Industries |
| UL | Underwriters Laboratories |
| IANA | Internet Assigned Numbers Authority |
| SNE | Synthetic Natural Environment |
| SKM | Sikkim (ISO 3166 Trigram; Obsolete 1975) |
| IBM | International Business Machines |
| TWAIN | Technology Without An Interesting Name |