| Abbreviation | Definition |
|---|---|
| LSPR | Low Speed Pulse Restorer |
| LSR | Late Successional Reserve |
| LSRB | Location Selective Reenlistment Bonus |
| LSS | Large SICPS ( Standardized Integrated Command Post Shelter) Shelter |
| LSS | Large SICPS (Standardized Integrated Command Post Shelter) Shelter |
| LSS | Laser Spot Search |
| LSS | Light Sniper System |
| LSS | Lightweight Shotgun System |
| LSS | Local Sensor Subsystem |
| LST | Laser Spot Tracker |
| LST | Light Strong Tough |
| LST | Long Slow Target |
| LST | Tank Landing Ship |
| LSTAT | Life Support for Trauma and Transportation |
| LSTC | Large Sensor Test Chamber |
| LSU | Logistics Civil Augmentation Program Support Unit |
| LSV | Landing Ship, Vehicle |
| LSW | Light Support Weapon |
| LSW | LuftSchutz Warndienst |
| LSWE | Lower Stage Weapons Elevator |