| Machinist's Mate | |
|---|---|
 Rating insignia | |
| Issued by | United States Navy |
| Type | Enlisted rating |
| Abbreviation | MM |
| Specialty | Engineering / Weapons |
Machinist's mate (or MM) is a rating in the United States Navy's engineering community.
| Machinist's Mate | |
|---|---|
Rating insignia | |
| Issued by | United States Navy |
| Type | Enlisted rating |
| Abbreviation | MM |
| Specialty | Engineering / Weapons |
Machinist's mate (or MM) is a rating in the United States Navy's engineering community.