| Acronym | Meaning |
 | PGR | SPacelab Planning And Ground Rule |
 | CA | Cost Account |
 | MF | Major Function |
 | OTV | Orbital Transfer Vehicle |
 | LMSC | Lockheed Missiles And Space Corporation |
 | FSS | Fixed Service Structure |
 | FWWMS | Food |
 | RPO | Radiation Protection Officer |
 | FDIR | Fault Detection Identification/Isolation And |
 | PSCL | Propellant Systems Cleaning Laboratory |