| Acronym | Meaning |
 | ELMS | Elastic Loop Mobility System |
| HI | Honeywell |
| OFI | Operational Flight Instrumentation |
| GLAADS | Gun Low Altitude Air Defense System |
| HVPS | High Voltage Power Supply |
| PETS | P/L Experiment Test System (KSC) |
| SCIS | Standard Cubic Inches Per Second |
| RAI | Radar Altimeter Indicator |
| T.P. | Transition Period |
| WCCU | Wireless Crew Communication Unit |
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