| Acronym | Meaning |
| THDG | True Heading |
| TPCS | Technical Program Control System |
| CDI | Cumulative Damage Indes |
| NITRAS | Navy Integrated Training Resources And Administration System |
| CLASS | Comprehensive Lsa Automated Support System |
| P1175 | A Std Ref Model For Computing System Tool Interconnection |
| ASW | Anti-submarine Warfare |
| IMCT | Intermodule Compatibility Testing |
| TTEL | Tools And Test Equipment List |
| EDPU | Electrical Power Drive Unit |