| Acronym | Meaning |
 | ED | Engineering Directive |
| RANN | Research Applied To National Needs |
| O&FS | Operations And Flight Support |
| OFTM | On-Orbit Flight Technique Meeting |
| HCSL | Hybrid Computation And Simulation Laboratory |
| OT | Operational Instrumentation MDM-Tank |
| NZ | Normal Acceleration |
| GRN | Green |
| PFS | Primary Flight System |
| PSF | Processing And Staging Facility (SRB) |
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