| Acronym | Meaning |
 | ORS | Orroval Valley |
 | PGM | Program (able) |
 | FDS | Functional Design Specifications |
 | POM | Printer OutPut Microfilm |
 | RVCF | Remote Vehicle Checkout Facility |
 | ISPG | Institutional Support Planning GrouP |
 | SDI | Selective Dissemination Of Information |
 | UTE | Universal Test Equipment |
 | MO | Manned Orbiter |
 | PSS | Propellant Supply Subsystem |