| Acronym | Meaning |
| RVDT | Rotary Variable Differential Transformer |
| LOE | Left Outboard Elevon |
| ED | Explosive Device |
| HA | High Altitude |
| SCA | Shuttle Carrier Aircraft |
| NIL | NNIL No Limit (NL Preferred) |
| MMSE | Multiuse Mission Support Equipment |
| LMS | Logistics Master Schedules |
| SCS | Spacecraft Control System |
| OVHD | Overhead |