| Acronym | Meaning |
| COSTAR | Corrective Optics Space Telescope Axial Replacement |
| GST | Greenwich Sidereal Time |
| AW&ST | Aviation Week And Space Technology |
| NASM | National Air And Space Museum |
| ACRIM | ACR Irradiance Monitor |
| UV | Ultraviolet |
| SSME | Space Shuttle Main Engine |
| PARE | Physiological And Anatomical Rodent Experiment |
| ISEP | Isolated/Stabilized Exercise Platform |
| STC | SHAPE Technical Center |