| Acronym | Meaning |
| TU | Transport Unit |
| PBIC | Programmable Buffer Interface Card |
| BC | Battery Charger |
| IP | Igloo Pallet |
| EKG | Electrocardiogram (Record) |
| BP | C/SCounts Per Second |
| S | Second (Astronomical Tables) |
| PIAR | Project Impact Analysis Report |
| SIP | Separation Instrument Package |
| IU | Interface Unit |