| Abbreviation | Definition |
|---|---|
| LOBLOLLYBOY | Loblolly Boy |
| LRASM | Long Range Anti-Ship Missile |
| LT | eutenant |
| LTJG | eutenant Junior Grade |
| LTJG | Lieutenant Junior Grade |
| LWWAA | Light Weight Wide Aperture Array (SONAR for Virginia class submarine; US Navy) |
| M1 | Metalsmith 1st Class Petty Officer |
| M1 | talsmith 1st Class Petty Officer |
| M2 | Metalsmith 2nd Class Petty Officer |
| M2 | talsmith 2nd Class Petty Officer |
| M3 | Metalsmith 3rd Class Petty Officer |
| M3 | talsmith 3rd Class Petty Officer |
| MA1 | chine Accountant Petty Officer 1st Class |
| MA1 | Machine Accountant Petty Officer 1st Class |
| MA1 | Master-at-arms Petty Officer First Class |
| MA1 | ster-at-arms Petty Officer First Class |
| MA2 | chine Accountant Petty Officer 2nd Class |
| MA2 | Machine Accountant Petty Officer 2nd Class |
| MA2 | Master_at-arms Petty Officer Second Class |
| MA2 | ster_at-arms Petty Officer Second Class |