| Acronym | Meaning |
| VLBA | Very Long Baseline Array |
| NDV | NASP Derived Vehicle |
| RFNA | Red Fuming Nitric Acid |
| GIF | Graphics Interchange Format |
| OTA | Optical Telescope Assembly |
| MISR | Multiangle Imaging Spectro-Radiometer |
| POP | PO Polyot |
| ISAS | Institute Of Space AND Astronautical Science |
| SMS | Shuttle Mission Simulator |
| FIRAS | Far InfraRed Absolute Spectrophotometer |