| Acronym | Meaning |
| CMM | Condition Monitored Maintenance |
| PBDM | Payload Bay Door Mechanism |
| SVRR | Software Verifir-ation Readiness Review |
| DLAT | Destructive Lot AccePtance Testing |
| VT | Vent |
| HMC | Hybrid Microcircuit |
| HVAC | Heating, Ventilating, Air-conditioning |
| LMK | Landmark |
| PPL | Planning Parts List |
| SSS | Stage Separation Subsystem |