| Acronym | Meaning |
| SPO | SYstem Program Office |
| EPA | Environmental Protection Agency |
| EADI | Electronic Attitude Director Indicator |
| GFAE | Government Furnished Aircraft Equipment |
| IPS | ISA Interim Stowage Assembly |
| SVDS | Space Vehicle Dynamic Simulator |
| POCN | Purchase Order Change Notice |
| FACO | Factory Assembly And Checkout |
| REV | Review |
| IPS | IRInclination Of The Ascending Return |