| Acronym | Meaning |
| CFSTI | Clearinghouse For Scientific And Technical Informatio |
| DDPC | Digital Data Processing Center (Complex) |
| SSP | Space Shuttle Program |
| PROP | Proportioning |
| SCHED | Scheduled |
| PH | Hydrogen-Ion Concentration (Alkalinity) |
| HSCU | Hydraulic SUPPly And Checkout Unit |
| CICC | Cargo Integration Control Center |
| PCA | Power Control Assembly |
| NRTS | Not Repairable At This Station |