| Acronym | Meaning |
 | EAS | Equivalent Airspeed |
 | MDC | Mission Director Center |
 | EFCS | Earth Fixed Coordinate System |
 | WAD | Work Authorization Document/Shop Order |
 | PPO2 | Oxygen Partial Pressure |
 | W | West |
 | MC | Mission Completion/Continuation |
 | MPTA | Main Propulsion Test Article |
 | PMS | Performance Management System |
 | JOP | Joint Operating Procedure |