| Acronym | Meaning |
| MSISR | Millstone Hill Incoherent Scatter Radar |
| FOC | Full Operational Capability |
| GIIS | General Instrument Interface Specification |
| GARP | GEMPAK Analysis And Rendering Program |
| ISP | Internet Service Provider |
| TASU | Time-alternating Space-uncentered |
| LANTEX | Lantau Experiment |
| MAR | Modernization And Associated Restructing |
| DTF | Development And Test Facility |
| PEM | Pacific Exploratory Mission |