| Acronym | Meaning |
| EROC | Ecological Rates Of Change |
| PDR | Preliminary Design Review |
| LRIR | Limb Radiance Inversion (or Infrared) Radiometer |
| NSC | Network Systems Corporation |
| AMC | Army Materiel Command |
| ACARS | ARINC Communications And Relay System |
| GM | General Motors |
| EMF | Electromagnetic Field/force |
| SPEC | Scientific Programs Evaluation Committee |
| NIMBUS | Networked Information Management Client-Based User Service |