| Acronym | Meaning |
| ERG | External Review Group |
| LTV | Ling-Temco-Vaught Inc. |
| DCTN | Defense Commercial Telecommunications Network |
| SW/HW | Software/Hardware |
| ALAPCO | Association Of Local Air Pollution Control Officials |
| ARC | Antarctic Research Center |
| PCRGA | Precipitation Chemistry |
| ADL | Alexandria Digital Library |
| MATR | MOPITT Algorithm Test Radiometer |
| CCTP | Clean Coal Technology Program |