| Acronym | Meaning |
| EP | Environmental Protective Plan |
| DIF | Discrete Increment Filter |
| SLAR | Side Looking Airborne Radar |
| MERL | Materials Equipment Requirement List |
| CTPD | Crew Training And Procedures Division (JSC) |
| BDA | Blast Danger Area |
| RDP | Requirements Data Plan |
| RSS | Range SafetySwitch |
| MSE | Medical Support Equipment |
| INSTRUMENT | Checkout Equipment |