| Acronym | Meaning |
| MPR | Management Program Review |
| HTS | Heat Transport Section |
| HW | Hotwire |
| GCC | Ground Communications Coordinator |
| MML | Master Measurement(s) List |
| PU | Propellant Utilization |
| PIC | Programmable Interval Clock |
| FD | WMR Food Warmer |
| ETC | Estimate To Completion |
| HIP | Hardware Interface Program |