| Acronym | Meaning |
| PCMMU | Pulse Code Modulation Master Unit |
| KT | Knots |
| CPT | Computer Program Tapes |
| SDTA | Structural Dynamic Test Article |
| CAU | Command Acquisition Unit |
| GCE | Ground Checkout Equipment |
| RDD | Requirements Definition Document |
| LPS | Liters Per Second |
| VCG | Vertical Location Of The Center Of Gravity |
| EPMS | Engineering Performance Management System |