| Acronym | Meaning |
| LLOS | Landmark Line-of-Sight |
| JOVIAL | Joules Own Version International Algebraic Language |
| PGE | Purge |
| RMS | Remote ManiPulator System (SubsYstem) |
| EOPO | Equal Opportunity Program Office |
| FDI | Failure Detector Indicator |
| FCC | Federal Communications Commission |
| COMPR | Compress |
| MG | Middle Gimbal (YAW) |
| JO | Job Order |