| Acronym | Meaning |
| MRAD | Milliradians |
| NECS | Navy Embedded Computer System |
| AGS | Surveying Ship (misc) |
| SECAS | Ship Equipment Configuration Accounting System |
| MTF | Modulation Transfer Function |
| TESSDL | Training Equipment Sub-system Data List |
| JSRB | Joint Software Review Board |
| THR | Threshold |
| PS/PC | Physical Security/pilferage Code |
| PSESWG | Programming Support Environment Software Working Group |