| Acronym | Meaning |
 | EGIL | Electrical |
| ELV | Electrically Operated Valve |
| MMS | Multimission Modular Spacecraft |
| SLAM | Side Load Arrest Mechanism |
| EDT | Eastern Daylight Time |
| PRR | Program Requirements Review |
| IUS | International Ultraviolet ExPlorer |
| EBU | Eyeballs Up (-GZ) |
| TRACS | Tool-Record Accountability System |
| RCCA | Rough Combustion Cutoff Assembly |
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