| Acronym | Meaning |
| QT | Qualification Test |
| CP-DPO | Deployable Payloads Projects Office (KSC) |
| CWSU | Caution And Warning Status Unit |
| POST | Program To OPtimize Simulated Trajectories |
| EVM | Earth Viewing Module |
| ENG | Engine |
| MDA | Middeck Assembly (FDF) |
| DDIS | Data Depository Index System |
| PRCB | ProgramReview Control Board |
| FSRR | Flight System Readiness Review |