| Acronym | Meaning |
| MTTF | Mean Time To Failure |
| PPCO | Provisioning Principal Contracting Office |
| SEL | Select |
| PPL | Process Programming Language |
| PLT | Pilottmtproduction Lead Time |
| H/V | Height-velocity |
| APC | Acquistion Professional Community |
| CCS | Change Commitment Summary |
| ASPK | Accompanying Spare Parts Kit |
| PS | Particle Separater |