| Acronym | Meaning |
| FMEC | Forward Master Events Controller |
| RCY | Recovery |
| EXTER | External |
| DESAT | Desaturated |
| QCDR | Quality Control Deficiency Report |
| PCMMU | Pulse-Code Modulation Master Unit |
| PWA | Pratt And Whitney Aircraft |
| ICMS | Indirect Cost Management SYstem |
| QRSL | Quick-Reaction Space Laboratory |
| MEA | Material Experiment Assembly |