| Acronym | Meaning |
 | RPE | Reliability Project Engineer |
| LAT | Latch |
| GRTLS | Glide Return To Landing Site |
| TOPS | Transistorized Operational Phone System |
| NS | Nickel Steel |
| TTA | Time To Apogee |
| PI | Principal Investigator |
| GC | Gyrocompassing |
| MRL | Material Requirements List |
| ESOC | European Space Operations Center |
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