| Acronym | Meaning |
| PICRS | Program Information Control And Retrieval System |
| MPS | Material Processing System |
| M+R | Maintenance And Repair |
| ML | Middeck Left |
| FSIWG | Flight System Interface Working Group |
| TDR | Technical Design Review |
| HERSCP | Hazardous Exposure Reduction And Safety Criteria Plan |
| IEP | Instantaneous Effective Photo Cathodes |
| RSYS | ResponsibleSystem |
| NSTL | National Space Technology Laboratories |