| Acronym | Meaning |
![](file.png) | MTBD | Mean Time Between Demands |
![](file.png) | CPD | Consolidated Procurement Directive (ntec-3930/27) |
![](file.png) | ASW | Anti-submarine Warfare |
![](file.png) | ST | Software Test |
![](file.png) | MT | Mission Trainer |
![](file.png) | TTL | Transistor Transistor Logic |
![](file.png) | SSA | Software Support Activity |
![](file.png) | SCAS | Stability Control Augmentation System |
![](file.png) | PM | Periodic Maintenance |
![](file.png) | GTA | Ground Test Article |