| Acronym | Meaning |
| MTEC | Maintenance Test Equipment Catalog |
| OCF | Onboard Computational Facility |
| IPB | Illustrated Parts Breakdown |
| HVDS | Hypergolic Vapor Detection System |
| OP | Operation |
| CRES | Corrosion Resistant Steel |
| CTTB | Checkout Techniques Test Bed |
| RISKAC | Risk Acceptance |
| TRANS | Translation |
| MPD | Maximum Permissible Dose |