| Acronym | Meaning |
 | OSS | Observation System Simulation |
| CASS | Computer-Assisted Surveillance System |
| IMP | Interplanetary Monitoring Platform |
| FEWS | Follow-on Early Warning System |
| CAM | Cost Account Manager |
| THEMIS | N/A |
| PEM | Pacific Exploratory Mission |
| PACT | Professional Association Of Computing And Technology |
| DPH | Dew-point Hygrometer |
| ARDEC | Army Armament Research And Development Engineering Center |
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