| Acronym | Meaning |
| EAR | Engineering AnalYsis Report |
| RAC | ReliabilitY Action Center |
| ILP | IntegratedLogistics Panel |
| SPL | System Programming Language |
| LDS | LanLoads |
| BRKT | Bracket |
| EOMF | End Of Minor Frame |
| O&C | Operation(s) And Checkout (Building-was MSOB) |
| TWX | Teletype Wire Transmission |
| HBT | Heflex Bio-Engineering Test |