| Acronym | Meaning |
| RICC | Remote Intercomputer Communications Interface |
| IV | Integrated Vehicle |
| POS | Position |
| DCS | Design Criteria Specification |
| IP | Instrumentation/pulse Code Modulation Master Unit Data Bus |
| ELV | Expendable Launch Vehicle |
| IWG | Investigator Working Group |
| MBK | Medications And Bandage Kit |
| MS | Milestone |
| CCA | Communications Carrier Assembly |