| Acronym | Meaning |
| USAF | United States Air Force |
| SSA | Strapdown Sensor Assembly |
| MTBPM | Mean Time Between Preventive Maintenance |
| YON | Fuel Oil Barge (non Self-propelled)(lighter) |
| MGTL | Measured Gas Temperature Left |
| C/SCSC | Cost/schedule Control System Criteria |
| DIR | Direction |
| SLIN | Sub Line Item Number |
| STAB | Stabilizer |
| HCP | Hardness Critical Process |