| Acronym | Meaning |
| EU | Experimental Unit |
| HAINS | High-accuracy Inertial Navigation System |
| MP&C | Maintenance Planning And Control |
| JOVIAL | Joules Own Version International Algebraic Language |
| ST | Sequential Timer |
| MCIU | Manipulator Controller Interface Unit |
| PCCP | Preliminary Contract Change ProPosal |
| T | Top |
| CWLM | Caution And Warning Limit Module |
| CMTS | Computerized Maintenance Test System |