| Acronym | Meaning |
| CALCRUST | Consortium For Study Of The California Crust |
| VOR | Visual Omnirange |
| AMPE | Automated Message Processing Exchange |
| BTAG | Biological Technical Assistance Group |
| ITC | Information Technology Council |
| RTH | Regional Telecommunications Hubs |
| IAVCEI | International Association Of Volcanology And Chemistry Of The Earth's Interior |
| A&R | Air And Radiation |
| CARP | Carpenter Research Project |
| DOS DISK OPERATING SYSTEM | N/A |