| Acronym | Meaning |
| PCRB | Program Change Review Board (RI Launch |
| OUP | OFS UPlink Processor |
| INTF | Interface |
| RPE | Reliability Project Engineer |
| IFOT | In-Flight Operations And Training |
| SIL | Silver |
| VAT | Vibro-Acoustic Test |
| PM | Project Manager |
| MBL | Mobile Unit (TACAN Station) |
| ISL | Inertial Systems Laboratory |