| Acronym | Meaning |
| SSS | Software Segment Specification |
| RBV | Return Beam Vidicon |
| IMAGES | Intermediate Model For The Annual And Global Evolution Of Species |
| IAMAS | International Association Of Meteorology And Atmospheric Sciences |
| AAR | Affirmative Action Representative |
| GOEZS | Global Ocean Euphotic Zone Study |
| JSPO | Joint Systems Program Office |
| ACVC | Arms Control Verification Committee |
| LRU | Line Replaceable Unit |
| IPC | Instrument Processing Center |