| Acronym | Meaning |
| RPA | Request For Procurement Action (Authorization) |
| VAL | Valid |
| DER | Drawing Error Report |
| MSAD | Materials Summary Acceptance Document |
| SID | System Interface Document |
| SDTA | Structural Dynamic Test Article |
| TT | Total Time |
| TSC | Test Support Coordinator |
| LSCA | Logistics Support Cost Analysis |
| PIIN | Procurement Instrument Identification Number |