| Acronym | Meaning |
| MTC | Master Thrust Control |
| PIC | Pyrotechnic Initiator Controller |
| MPIIN | Modification Procurement Instrument Identification |
| LM | Interface Module |
| TTC | Time To Circularize (Orbit) |
| MLR | Monodisperse Latex Reactor |
| HOSC | Huntsville Operations Support Center |
| RECHG | Recharge |
| PEFO | Payload Effects Follow-on Study |
| EFP | ESA Furnished Property |