| Acronym | Meaning |
| MFT | Mean Flight Time |
| STD | LStandard Distribution List (letter Denoting Which List |
| OPT | Option |
| PPS | Pulse Per Second |
| LC | Interim Change |
| PCO | Postcheckout Operations |
| SAG | E SAILShuttle Avionics Integration Laboratory |
| ESS | Experiment Subsystem Simulator |
| SAALC | San Antonio Air Logistics Center |
| PSPA | Pressure Static Probe Assembly |