| Acronym | Meaning |
| DRL | Document Requirements List |
| OMI | Operations And Maintenance Instruction |
| PWS | Pricing Work Statement |
| TC | Test Conductor (Controller) |
| PK/PK | Peak To Peak |
| INTERCHANGE | Interchangeability And Replacement |
| GN2 | GaGN2Gaseous Nitrogen |
| CRMD | Computer Resources Management Data |
| EEIS | End-to-End Information System |
| PGORS | Payload Ground Operations Requirements Study |