| Acronym | Meaning |
 | TCA | Thrust Chamber Assembly |
| CPA | Critical Path Analysis |
| EPL | Electronic |
| OPGUID | OPtimum Guidance (Technique) |
| EMCC | Emergency Mission Control Center |
| REIL | Runway End Identification Lights |
| MS/MS | Material Science And Manufacturing In Space |
| ESMC | ETR |
| ROS | Removable Overhead Structure |
| EHS | Environmental Health Services |
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