| Acronym | Meaning |
| ROB | Right Outboard |
| POS | Position |
| ICC | Interstate Commerce Commission |
| OCC | Office Of Contract Compliance |
| O&C | Operation(s) And Checkout (Building-was MSOB) |
| S&AD | Science And Applications Directorate |
| SAMTO | Space And Missi E Test Organization (VAFE3) |
| PSA | Payload Service Area |
| IB | Inboard |
| DU | Display Unit |