| Abbreviation | Definition |
|---|---|
| CMHCA | Construction Mechanic (heavy Construction) Apprentice |
| CMHCA | nstruction Mechanic (heavy Construction) Apprentice |
| CMHCN | Construction Mechanic (heavy Construction) Constructionman |
| CMHCN | nstruction Mechanic (heavy Construction) Constructionman |
| CMHCR | Construction Mechanic (heavy Construction) Constructionman Recruit |
| CMHCR | nstruction Mechanic (heavy Construction) Constructionman Recruit |
| CML | Chief Molder |
| CML | ief Molder |
| CMM | Chief Machinist's Mate |
| CMM | ief Machinist's Mate |
| CMMA | Chief Machinist's Mate(aviation) |
| CMMA | ief Machinist's Mate(aviation) |
| CMMAGE | Chief Machinist's Mate(aviation, Bombing) |
| CMMAGE | ief Machinist's Mate(aviation, Bombing) |
| CMMAH | Chief Machinist's Mate(aviation, Hydrogen) |
| CMMAH | ief Machinist's Mate(aviation, Hydrogen) |
| CMMAP | Chief Machinist's Mate(aviation, Photographic) |
| CMMAP | ief Machinist's Mate(aviation, Photographic) |
| CMMDR | Commodore |
| CMMG | Chief Machinist's Mate(gas Generating) |