| Acronym | Meaning |
| RAS | Royal Astronomical Society |
| IBM PS/2 | One Class Of IBM Personal Computers |
| AOP | Annual Operating Plan |
| CCR | California Code Of Regulations |
| UIC | Unit Identification Code |
| GAU | General Accounting Unit |
| CA | Citizen Act |
| GPS-IPW | Global Positioning System-Integrated Precipitable Water |
| NYSERNET | New York State Educational And Research Network |
| DIC | Defense Intelligence College |