| Abbreviation | Definition |
|---|---|
| LCS | Landing Craft Air Cushion Control Ship |
| LCS | Littoral Combat Ship |
| LCSE | Life Cycle Software Engineering |
| LCSEC | Life Cycle Software Engineering Center |
| LCSMM | ife Cycle System Management Model |
| LCSMM | Life Cycle System Management Model |
| LCSP | Local Call Service Position |
| LCSR | Life Cycle Systems Readiness |
| LCSS | Life Cycle Software Support |
| LCSS | Lightweight Camouflage Screening System |
| LCSSC | Life Cycle Software Support Center |
| LCU | Landing Craft, Utility |
| LCU | Launch Correlation Unit |
| LCU | Lightweight Computer Unit |
| LCV | Light Contingency Vehicle |
| LCVP | Landing Craft, Vehicle, Personnel |
| LCX | Landing Craft, eXperimental |
| LD | Leadership Developer |
| LD | Leavenworth Directorate |
| LD | Light Duty |