| Acronym | Meaning |
| NSTS | National Space Transportation System |
| NOPS | Nimbus Observations Processing System |
| SSD | Cray's Solid-state Storage Device On The CRAY X-MP/48 Computer |
| FLTOP | Federal Lease To Ownership Program |
| MM90 | N/A |
| CASP | Canadian Atlantic Storms Project (or Program) |
| LASA | Lidar Atmospheric Sounder And Altimeter |
| RECOURSE | Revision Control Unifying Related Environments |
| OCR | Optical Character Reader |
| MAC | Apple Macintosh Computer |