| Acronym | Meaning |
![](file.png) | TDD | Temporary Design Departure |
![](file.png) | XTRAN | Cross Transfer |
![](file.png) | ITRO | Interservice Training Review Organization |
![](file.png) | SDRL | Supplier Data Requirement List |
![](file.png) | STE | Special Test Equipment |
![](file.png) | PHIGS | Programmer's Hierachical Interactive Graphics System (iso) |
![](file.png) | SWWBDS | Software Work Breakdown Structure (mil-std 881) |
![](file.png) | EAB | Emergency Air Breathing (comm Sys For Submarines) |
![](file.png) | SECNAV | Secretary Of The Navy |
![](file.png) | HC | Hazardous Code |