| Acronym | Meaning |
| ALDEN | Alden Electronics |
| AIP | Additions In Progress |
| ISRDB | Incoherent Scatter Radar Data Base |
| IPT | Integrated Product Teams |
| NRC | National Research Council |
| MARD | Modernization Associated Restructuring Demonstration |
| PSA | Public Service Announcement (radio/TV Term) |
| IRAS | Infrared Astronomical Satellite |
| OIR | Office Of Industry Relations |
| ESMF | Earth System Model Framework |