| Acronym | Meaning |
| SCEA | Signal Conditioning Electronics Assembly |
| COMMAND | Computer Command Engineer |
| GSEL | Ground Support Equipment List |
| MPL | Minimum Power Level |
| ETA | External Tank Attachment |
| VERIF | Verification |
| SSFL | Santa Susana Field Laboratory |
| V&V | Validation And Verification |
| CMAT | Compatible Materials (List) |
| PR | Pressure |