| Acronym | Meaning |
| MAC | Months After Contract (award) |
| ESA | Emergency Safe Altitude |
| MSEC | Millisecond |
| PROM | Programmable Read Only Memory |
| MCV | Main Control Valve |
| OPS | Operational |
| TBAT | Towed Buoy Antenna Trainer (trident-8d35) |
| PDS | Program Design Spec Udi-e-21268b/mod |
| BCU | Buffer And Conversion Unit |
| CMI | Computer Managed Instruction |