| Acronym | Meaning |
| DTS | Data Transmission System |
| FCEI | Facility Contractor End Item |
| SYNCOM | Hughes Spin Stabilized Spacecraft |
| OM | Orbiter Main Engine |
| THOLD | Threshold |
| HPFT | High-pressure Fuel Turbopump |
| SFDS | System Functional Design Specification |
| NHC | NNHC National Hurricane Center |
| BP | C&DControl And Display |
| NARS | National Archives And Record Services |