| Acronym | Meaning |
 | PER | Preliminary Engineering Report |
| DCC | Display COMPuter Control Unit |
| TTLM | Through-the-Lens Light Metering |
| SP-SMO | Site Management Office (KSC Shuttle) |
| PU | Power Unit |
| SPS | Secondary Propulsion System |
| UVF | Unmanned Vertical Flight |
| M | Male |
| SCLM | Stability |
| MAR | Maintenance And Refurbishment |
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