| Acronym | Meaning |
| FLAP | Flight Application Software |
| SEM | Seller's Engineering Memo |
| MSS | Multispectral Scanner System |
| HVDS | Hypergolic Vapor Detection System |
| TD | Time Delay |
| SOP | Subsystem(s) Operating Procedure |
| GETI | Ground Elapsed Time Of Ignition |
| EOC | End Of Contract |
| EECOM | EleCtrical |
| ROT | Remaining Operating Time |