| Acronym | Meaning |
| M&R | Maintenance And Refurbishment |
| CDF | Cool-Down Facility |
| HRT | High Resolution Tracker |
| LL | Lower Left |
| PSA | Pre/Post Sleep Activity |
| PRR | Pulse Repetition Rate |
| PRE | Personal Rescue Enclosure |
| PTD | Provisioning Technical Documentation |
| CDI | Course Deviation Indicator |
| VCD | Verification Control Document |