| Acronym | Meaning |
| GPS | Ground Processing Simulation |
| EIFA | Element Interface Functional Analysis |
| R/A | Radar Altimeter |
| U | Underfloor |
| CONT | Container |
| DPP | Data Processing And Software |
| SCDR | Subcontractor Critical Design Review |
| MSS | Mechanical Support Systems |
| JAN | Joint Army-Navy |
| SXT | Sextant |