| Acronym | Meaning |
| ACS | Automated Cartridge System |
| ACR | Active Cavity Radiometer |
| SIAM | Society For Industrial And Applied Mathematics |
| GIIS | General Instrument Interface Specification |
| NSDA | National Space Development Agency |
| TOPEX/POSEIDON | Ocean Topography Experiment |
| MTF | Mississippi Test Facility |
| NHAP | National High Altitude Photography |
| PSA | Pressure Switch Assembly |
| MF | Medium Frequency |