| Acronym | Meaning |
 | PCA | Point Of Closest Approach |
| PUCS | Propellant Utilization Control System |
| MACE | Mechanical Antenna Control Electronics |
| HCED | Hand Controller Engage Driver |
| SPHER | Spherical |
| BSDP | Booster Stage Discharge Pressure |
| GSSC | Ground Support Systems Contractor |
| STA | Shuttle Training Aircraft |
| FUS/LF | Fuselage |
| FSS | Fixed Service Structure |
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