| Acronym | Meaning |
 | PORD | Performance And 0iperations Requirements Document |
 | PTS | Payload Transportation System |
 | FTO | Functional Test Objective |
 | ETCO | Equipment Transfer/Change Order |
 | TSU | Time Standard Unit |
 | FPV | Flow Proportioning Valve |
 | OCALC | Oklahoma City Air Logistics Center |
 | SV | Space Vehicle |
 | PVRO | Pyrotechnics |
 | EL | Elastic Limit |