| Acronym | Meaning |
| OPS | Orbiter Project Schedules |
| EDLN | Engineering DeveloPment Logic Network |
| SSIP | Systems Software Interface Processing |
| BP | C/0Changeout |
| BDD | Baseline Definition Document |
| ESTEC | European Space Technology Center |
| SEE | Standard End Effector |
| SM | Short Module |
| CADS | Command And Data Simulator |
| DECOM | Decommutate |