| Acronym | Meaning |
| AFCRL | Air Force Cambridge Research Laboratories |
| UPS | Uninterruptible Power Supply |
| MAC | Apple Macintosh Computer |
| ICITA | International Cooperative Investigation Of The Tropical Atlantic |
| SIGMA | Software For Interactive Graphics And Model Analysis |
| PDU | Protocol Data Unit |
| AL | Analytical Laboratory |
| AU | Astronomical Unit |
| FFRDCS | Federally Funded Research And Development Centers |
| PCO | Polar Cap Observatory |