| Acronym | Meaning |
 | LCL | Local |
| IML | Inside Mold Line |
| MDA | Main Distribution Assembly |
| ORT | Operational Readiness Test |
| SERV | Service |
| GRO | Gamma Ray Observatory |
| DEIS | Design Engineering Inspection Simulation |
| SAMSOR | SAMSO Regulation (now SDR) |
| CLS | Contingency Landing Site(s) |
| EMU-TV | Extravehicular MobilitY Unit - Television |
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