| Acronym | Meaning |
| FEC | Forward Events Controller |
| KEAS | Knots Equivalent Airspeed |
| QPL | Qualified Products List |
| NFPA | NNFPANational Fire Protection Association |
| DB | Distribution Box |
| MSEC | Millisecond |
| MSIA | Multispectral Image Analyzer |
| DEI | Design Engineering Identification |
| IFU | InterfaceUnit |
| GSO | Ground Systems Operations |