| Acronym | Meaning |
| DEC | Decrease |
| GVIB | Gearbox Vibration |
| ISAM | Indexed Sequential Access Method |
| SDV | Swimmer Delivery Vehicle (special Warfare) |
| HARDMAN | Military Manpower Versus Hardware Procurement |
| TDD | Temporary Design Departure |
| FSC | Federal Supply Classification |
| MMRI | Mandatory Mission Rule Item |
| DASS | Digital Acoustic Sensor Simulator |
| RTSP II | Real Time Signal Processor |