| Acronym | Meaning |
| SOTS | Suborbital Tank Separation |
| LV | Low Voltage |
| OSF | Office Of Space Flight (now OSTS) |
| VPHD | Vertical Payload Handling Device |
| HQ | Headquarters (HDQ Preferred) |
| SPM | SubsystemProjectManager |
| E-P | Electron/Proton |
| MMCL | Master Measurement And Control List |
| OMP | Operations And Maintenance Plan |
| OSS | Office Of Space Science |