| Acronym | Meaning |
| RAS | Requirements Allocation Sheet |
| EEIS | End-to-End Information System |
| GPC | Gel Permeation Chromatograph |
| PDP | Procurement Data Package |
| AD | Aperture Door |
| SLF | Shuttle Landing Facility (OLF) |
| REV | Reverse |
| FL | Flowline |
| ECD | Estimated Completion Date |
| CSAS | ComPuterized Status Accounting System |