| Acronym | Meaning |
| CI | Certification Inspection |
| FACO | Fabrication And Acceptance Checkout |
| VS | Versus |
| GDSO | Ground Data Systems Officer |
| S&AD | Science And Applications Directorate |
| PVT | Pressure |
| PCP | Project Cost Plan |
| T&CP | Test And Checkout Procedure |
| HPPF | Horizontal Payloads Processing Facility |
| M | Major Cycle |