| Acronym | Meaning |
 | PSV | Planetary Space Vehicle |
 | PTA | Propulsion Test Article |
 | RIPS | Radar Impact Prediction System |
 | MPL | Manipulation Positioning Latches |
 | NFS | NNFS Nozzle Flow Sensor |
 | HIU | Headset Interface Unit |
 | PGA | Power Generating Assembly |
 | CKAFS | Cape Kennedy Air Force Station (Changed To CCAFS) |
 | IGM | Interactive Guidance Mode |
 | OMR | Operations Management Room |