| Acronym | Meaning |
| M | ITTSE Mobile Lgor Tracking Telescope System |
| INTF | Interface |
| VCB | Vertical Location Of The Center Of Buoyancy |
| TCS | Technical Change Summary |
| AIT | Aeritalia |
| ILA | Instrument Landing Approach |
| FCI | Flight Control Indicator |
| PAM | Pulse Amplitude Modulation |
| SSPPSG | Space Shuttle Payload Planning Steering Group |
| OECO | Outboard Engine CLjtoff |