| Acronym | Meaning |
| ORSDI | Oak Ridge Selective Dissemination Of Information |
| MRA | Mechanical Readiness Assessment |
| ELV | Electrically Operated Valve |
| TB | Talk Back |
| MX | Mmx Multiplex |
| LM | Left Mid |
| MMSE | Multiuse Mission Support Equipment |
| LS | Left Side |
| BP | C&DSCommand And Data Simulator |
| BP | C |