| Acronym | Meaning |
 | SW | Software (SFTWE Preferred) |
| S-BD | S-Band |
| DY | Deputy Director (KSC Directorate) |
| HPFTP | High Pressure Fuel Turbopump |
| PLSL | Propellants And Life Support Laboratory |
| ORD | Orbital Requirements Document |
| SEOS | Synchronous Earth Observation Satellite |
| NSR1 | First Coell;ptic Maneuver |
| IPS | IRN Interface Revision Notice |
| GMT | GrGMTGreenwich MeanTime |
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