| Acronym | Meaning |
| JLA | Justice League Of America |
| EL | Exalitre |
| SKM | Sikkim (ISO 3166 Trigram; Obsolete 1975) |
| JREF | James Randi Educational Foundation |
| INAS | International Near-Earth Asteroid Survey |
| GIMP | GNU Image Manipulation Program |
| SIGMET | Significant Meteorological Information |
| VV&A | Verification, Validation, And Accreditation |
| LRICBM | Limited Range ICBM |
| OC | Observer/Controller |