| Acronym | Meaning |
| IDC | InterfaceDocumentControl |
| T | Thermostabilized |
| SASTP | Stand-Alone Self-Test Program |
| SBE | Sub-Bit Encoder |
| IPS | IPTCSInternational Pipe Thread |
| CONT | Contingency |
| ILA | Instrument Landing Approach |
| MHC | Manipulator Hand Controller |
| PIECP | Preliminary Impact Engineering Change Proposal |
| PI | PaYload Interrogator |