| Acronym | Meaning |
| IPS | Interrange Instrumentation Group |
| SAB | Spacecraft Assembly Building |
| REL | Relative |
| STOCC | Space Telescope Operations Control Center |
| SGP | Single Ground Point |
| PR | Procurement Regulation |
| MTU | Master Timing Unit |
| SURS | Standard Umbilical Retraction System |
| V&DA | Video And Data Acquisition |
| PML | Preliminary Materials List |