| Acronym | Meaning |
| USFS | United States Forest Service |
| ETCO | External Tanks Corporation |
| SST | Sea Surface Temperature |
| HARP | Hawaiian Rainband Project |
| IBM PS/2 | One Class Of IBM Personal Computers |
| HYPERCHANNNEL | High-speed Communications Link |
| NMD | NASA Master Directory |
| ACA | Applied Combinatorial Analysis |
| ACO | Advance Change Order |
| VAFB | Vandenberg Air Force Base |