| Acronym | Meaning |
| STTWG | Submarine Training/trainer Working Group |
| DEC | Decrease |
| AFFTC | Air Force Flight Test Center |
| RTA | Receiver-transmitter Antenna |
| LEMP | Lightning Electromagnetic Pulse |
| TPP | Total Package Procurement |
| A/D | Analog/digital |
| CHMS | Copilot Helmet Sight System |
| SAU | Signal Acquisition Unit |
| ABU | Analog Backup |