| Acronym | Meaning |
| PEL | Photo-electron Layer |
| VIP | Versatile Information Processing |
| OTB | Operations Training Branch |
| SPIRES | Stanford Physics Information Retrieval System |
| LDN | Local Data Network |
| FOC | Full Operational Capability |
| PSAC | President's Science Advisory Committee |
| ACE-ASIA | Asian Pacific Regional Aerosol Characterization Experiment |
| NOAA | National Oceanic And Atmospheric Administration |
| L | Lunar |