| Acronym | Meaning |
| SAMSO | Space And Missile SYstems Organization (USAF) |
| FOST | Flight Operations SUPPOrt Team |
| ESTEC | European Space Research And Technology Center |
| RHW | Router Header Word |
| GBL | Government Bill Of Lading |
| FD | Flight Day |
| HIPC | High Chamber Pressure |
| EBC | Emulated Buffer COMPuter |
| GP | GeGP General Publication (RSC) |
| PCMMU | Pulse Code Modulation Master Unit |