| Acronym | Meaning |
 | STOCC | Space Telescope Operations Control Center |
| PIT | Preinstallation Test |
| DAS | Digital Avionics System |
| SRO | Supervisor Range Operations |
| GMT | Greenwich Mean Time |
| FMOF | First Manned Orbital Flight |
| OPSR | Operations Supervisor (GSTDN Site) |
| MMCA | Midbody Motor Control Assembly |
| PAM | Payload Assist Module |
| SPVPF | Shuttle Payload Vertical Processing Facility |
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