| Acronym | Meaning |
| ISE | In-service Engineer |
| TOW | Tubelaunched Opticallytracked Wireguided |
| USMC | United States Marine Corps |
| SYSCOM | Systems Command |
| HEELS | Helicopter Emergency Egress Lighting System |
| TMTC | Technical Manual Technical Council |
| T | Top |
| RFI | Ready For Issue |
| JCS | Joint Chiefs Of Staff |
| DEP | Draft Equipment Publication |