| Acronym | Meaning |
 | SPADS | Shuttle Problem Action Data System |
| SES | SPecial Emphasis Study |
| SSA | 1/0 GCOS Program Element Name |
| PSPL | Priced Spare Parts List |
| PMIS | Personnel Management Information System |
| EAT | Environmental Acceptance Test |
| SD/YVV | SD/Launch Base Div['si'on |
| FDS | Flight Dynamics Software/System |
| LL | Long Line |
| IB | Instruction Book |
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