| Acronym | Meaning |
| URA | Urine Receptacle Assembly |
| TMO | Tool Manufacturing Order |
| TO | Operations Management (KSC Directorate) |
| NL | NNL No Limit |
| OHF | Occupational Health Facility |
| SRCBD | Software Requirements Change Board Directive |
| EMC | Electromagnetic Compatibility |
| PRCA | ProblemReporting And Corrective Action |
| VAA | Viewpoint Adapter Assembly |
| FCEI | Facility Contractor End Item |