| Acronym | Meaning |
| INS | Inertial Navigation System |
| DML | RF Dimensional Metrology Laboratory |
| MAN | Metropolitan Area Network |
| AES | Atmospheric Environment Service |
| MS | MASnet Code For The Mass Storage System |
| PMS | Performance Measurement System |
| FOB | Facilities Operations Branch |
| TSC | Technical Steering Committee |
| LT | Local Time |
| CDDIS | Crustal Dynamics Data Information System |