| Acronym | Meaning |
 | NOCC | Network Operations Control Center |
 | SYN | Synchronous |
 | MNA | B |
 | VAC | Vacuum |
 | BY | Budget Year |
 | MORD | Medical Operations Requirements Document |
 | RFI | Radio Frequency Interference |
 | GPSS | General Purpose System Simulator |
 | OAS | Orbiter Aeroflight Simulator |
 | M-KG | Meter-Kilogram |